Common Weakness Enumeration
CWE-916
AllowedUse of Password Hash With Insufficient Computational Effort
Abstraction: Base · Status: Incomplete
The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.
206 vulnerabilities reference this CWE, most recent first.
CVE-2026-116071 (GCVE-0-2026-116071)
Vulnerability from cvelistv5 – Published: 2026-10-25 11:50 – Updated: 2026-10-25 11:50
VLAI
EPSS
VEX
Title
rotki before 1.44.2 Weak Key Derivation for Premium Cloud Backup Encryption
Summary
rotki before 1.44.2 contains a weak key derivation vulnerability that allows attackers to brute-force backups because the premium sync key is a single unsalted SHA-256 of the user password. Attackers who obtain an uploaded backup blob can run GPU-parallel offline password guessing and decrypt the database containing exchange API keys, secrets, wallet addresses and transaction history.
Severity
CWE
- CWE-916 - Use of Password Hash With Insufficient Computational Effort
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/rotki/rotki/issues/13393 | issue-tracking |
| https://github.com/rotki/rotki | product |
| https://github.com/rotki/rotki/pull/13401 | patchissue-tracking |
| https://github.com/rotki/rotki/blob/v1.44.1/rotke… | technical-description |
| https://github.com/rotki/rotki/blob/v1.44.1/rotke… | technical-description |
| https://github.com/rotki/rotki/releases/tag/v1.44.2 | release-notes |
| https://www.vulncheck.com/advisories/rotki-before… | third-party-advisory |
Date Public
2026-10-19 00:00
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CVE-2026-116054 (GCVE-0-2026-116054)
Vulnerability from cvelistv5 – Published: 2026-10-25 14:15 – Updated: 2026-10-25 14:15
VLAI
EPSS
VEX
Title
SH3 Módulo de Gestão/Módulo de Arrecadação weak password hash
Summary
A security vulnerability has been detected in SH3. This affects an unknown function of the component Módulo de Gestão/Módulo de Arrecadação. The manipulation leads to password hash with insufficient computational effort. The attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.0.2.0 mitigates this issue. Upgrading the affected component is recommended.
Severity
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/426138 | vdb-entry |
| https://vuldb.com/vuln/426138/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-116054 | third-party-advisory |
| https://vuldb.com/submit/997072 | third-party-advisory |
| https://medium.com/@warlleyfreire/sh3-public-mana… | broken-linkexploit |
Impacted products
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CVE-2026-112029 (GCVE-0-2026-112029)
Vulnerability from cvelistv5 – Published: 2026-10-18 23:00 – Updated: 2026-10-19 17:52
VLAI
EPSS
VEX
Title
diem-project diem SHA1 PluginDmUser.class.php weak password hash
Summary
A vulnerability has been found in diem-project diem up to 5.1.3. This affects an unknown part of the file lib/model/doctrine/PluginDmUser.class.php of the component SHA1 Handler. Such manipulation of the argument salt/password leads to password hash with insufficient computational effort. The attack needs to be performed locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 17:52 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/421677 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/421677/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-112029 | third-party-advisory |
| https://vuldb.com/submit/1008077 | third-party-advisory |
| https://github.com/diem-project/diem/issues/452 | exploitissue-tracking |
| https://github.com/diem-project/diem/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| diem-project | diem |
Affected:
5.1.0
Affected: 5.1.1 Affected: 5.1.2 Affected: 5.1.3 cpe:2.3:a:diem-project:diem:*:*:*:*:*:*:*:* |
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CVE-2026-112026 (GCVE-0-2026-112026)
Vulnerability from cvelistv5 – Published: 2026-10-18 22:15 – Updated: 2026-10-22 02:23
VLAI
EPSS
VEX
Title
light0011 cms UserModel.class.php sha1 weak password hash
Summary
A security vulnerability has been detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. Affected is the function sha1 of the file App/Home/Model/UserModel.class.php. The manipulation of the argument Password leads to password hash with insufficient computational effort. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-22 02:23 UTC
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/421674 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/421674/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-112026 | third-party-advisory |
| https://vuldb.com/submit/1008071 | third-party-advisory |
| https://github.com/light0011/cms/issues/14 | exploitissue-tracking |
| https://github.com/light0011/cms/ | product |
Impacted products
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CVE-2026-111330 (GCVE-0-2026-111330)
Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-16 17:08
VLAI
EPSS
VEX
Title
JuggleIM im-server through 1.8.16 Weak Password Hashing via Unsalted SHA-1
Summary
JuggleIM im-server through 1.8.16 contains a weak password hashing vulnerability that stores admin console passwords as unsalted SHA-1 digests via tools.SHA1 in services/accountservice.go. Attackers who obtain the accounts table through database access or backups can crack console passwords using precomputed tables or GPU brute force.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 16:31 UTC
CWE
- CWE-916 - Use of Password Hash With Insufficient Computational Effort
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@hieuPenguinnn/juggleim-im-serv… | third-party-advisory |
| https://github.com/juggleim/imserver-console/blob… | technical-description |
| https://github.com/juggleim/im-server/blob/v1.8.1… | technical-description |
| https://github.com/juggleim/im-server | product |
| https://www.vulncheck.com/advisories/juggleim-im-… | third-party-advisory |
Impacted products
Date Public
2026-10-15 00:00
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CVE-2026-110104 (GCVE-0-2026-110104)
Vulnerability from cvelistv5 – Published: 2026-10-13 16:53 – Updated: 2026-10-13 17:22
VLAI
EPSS
VEX
Title
novel through 3.5.0 Unsalted MD5 Password Storage
Summary
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Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 17:22 UTC
CWE
- CWE-916 - Use of Password Hash With Insufficient Computational Effort
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/201206030/novel/pull/53 | patchtechnical-descriptionissue-tracking |
| https://github.com/201206030/novel/blob/v3.5.0/sr… | technical-description |
| https://github.com/201206030/novel/commit/fa82ce7… | patch |
| https://www.vulncheck.com/advisories/novel-throug… | third-party-advisory |
Date Public
2026-10-07 00:00
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CVE-2026-107829 (GCVE-0-2026-107829)
Vulnerability from cvelistv5 – Published: 2026-10-08 21:51 – Updated: 2026-10-14 16:04
VLAI
EPSS
VEX
Title
Jivejdon through 5.0 Unsalted MD5 Password Storage via AccountDaoSql
Summary
Jivejdon through 5.0 contains a weak password storage vulnerability that stores account passwords as unsalted MD5 digests via ToolsUtil.hash() in AccountDaoSql. Attackers who obtain the user table through database access or SQL injection can crack passwords with precomputed tables or GPU attacks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 14:50 UTC
CWE
- CWE-916 - Use of Password Hash With Insufficient Computational Effort
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/banq/jivejdon/issues/28 | issue-tracking |
| https://github.com/banq/jivejdon | product |
| https://github.com/banq/jivejdon/blob/ee67a65e652… | technical-description |
| https://github.com/banq/jivejdon/blob/ee67a65e652… | technical-description |
| https://github.com/banq/jivejdon/blob/ee67a65e652… | technical-description |
| https://github.com/banq/jivejdon/blob/ee67a65e652… | technical-description |
| https://github.com/banq/jivejdon/blob/ee67a65e652… | technical-description |
| https://www.vulncheck.com/advisories/jivejdon-thr… | third-party-advisory |
Date Public
2026-10-08 00:00
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CVE-2026-105804 (GCVE-0-2026-105804)
Vulnerability from cvelistv5 – Published: 2026-10-06 15:23 – Updated: 2026-10-06 17:40
VLAI
EPSS
VEX
Title
Payload: Password hashes use insufficient PBKDF2 iterations
Summary
Payload is a free and open source headless content management system. Payload versions from 3.0.0 before 3.90.0 and canary versions from 4.0.0-canary.0 before 4.0.0-canary.34 use a lower-than-recommended PBKDF2 work factor for password hashing, reducing the computational effort required to test recovered password hashes. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 17:40 UTC
CWE
- CWE-916 - Use of Password Hash With Insufficient Computational Effort
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/payloadcms/payload/security/ad… | x_refsource_CONFIRM |
| https://github.com/payloadcms/payload/commit/1bc7… | x_refsource_MISC |
| https://github.com/payloadcms/payload/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| payloadcms | payload |
Affected:
>= 3.0.0, < 3.90.0
Affected: >= 4.0.0-canary.0, < 4.0.0-canary.34 |
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CVE-2026-105156 (GCVE-0-2026-105156)
Vulnerability from cvelistv5 – Published: 2026-10-04 12:30 – Updated: 2026-10-05 15:46
VLAI
EPSS
VEX
Title
YzmCMS MD5 system.func.php password weak password hash
Summary
A weakness has been identified in YzmCMS up to 7.6. Impacted is the function Password of the file /common/function/system.func.php of the component MD5 Handler. Executing a manipulation of the argument pass can lead to password hash with insufficient computational effort. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit has been made available to the public and could be used for attacks. The vendor kindly explains: "Our regular release cycle is about 6 months. The last release was in the previous month, and our next scheduled version will be released in March 2027. We will implement the backward-compatible gradual hash migration feature in this upcoming release. (...) Before the new version is available, we will publish security mitigation guidance on our official documentation for existing deployers to reduce the risk."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 15:44 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/413375 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/413375/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-105156 | third-party-advisory |
| https://vuldb.com/submit/953155 | third-party-advisory |
| https://github.com/Witiers/CVEs/issues/6 | exploitissue-tracking |
Impacted products
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CVE-2026-94206 (GCVE-0-2026-94206)
Vulnerability from cvelistv5 – Published: 2026-10-06 08:38 – Updated: 2026-10-06 11:36
VLAI
EPSS
VEX
Title
Cloak PBKDF2 field ignores the configured iteration count and runs only :size rounds
Summary
Use of Password Hash With Insufficient Computational Effort vulnerability in danielberkompas cloak_ecto and danielberkompas cloak allows an attacker who holds the hashed values and the configured secret to brute-force low-entropy plaintexts much faster than configured.
The dump/1 callback that Cloak.Ecto.PBKDF2 (Cloak.Fields.PBKDF2 in cloak before the Ecto code moved to cloak_ecto) injects into a field module calls :pbkdf2.pbkdf2/4 with config[:size] in the iteration-count position. The :iterations setting is validated but never used. With the cloak_ecto defaults (iterations: 600_000, size: 32) each hash runs 32 PBKDF2 rounds instead of 600,000, so offline guessing of values such as email addresses costs about 18,750 times less than configured.
This issue affects cloak_ecto: from 1.0.0-alpha.0 onward; cloak: from 0.7.0 before 1.0.0-alpha.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 11:34 UTC
CWE
- CWE-916 - Use of Password Hash With Insufficient Computational Effort
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://cna.erlef.org/cves/CVE-2026-94206.html | relatedthird-party-advisory |
| https://osv.dev/vulnerability/EEF-CVE-2026-94206 | related |
| https://github.com/danielberkompas/cloak_ecto/com… | related |
| https://github.com/danielberkompas/cloak/commit/8… | related |
| https://github.com/danielberkompas/cloak/commit/6… | patch |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| danielberkompas | cloak_ecto |
Affected:
1.0.0-alpha.0 , < *
(semver)
cpe:2.3:a:danielberkompas:cloak_ecto:*:*:*:*:*:*:*:* |
|
| danielberkompas | cloak_ecto |
Affected:
a8fa1642b02f1c445a1ee8794c9095eb0921f8f3 , < *
(git)
cpe:2.3:a:danielberkompas:cloak_ecto:*:*:*:*:*:*:*:* |
|
| danielberkompas | cloak |
Affected:
0.7.0 , < 1.0.0-alpha.0
(semver)
cpe:2.3:a:danielberkompas:cloak:*:*:*:*:*:*:*:* |
|
| danielberkompas | cloak |
Affected:
8699e6417a162c39d9f0ef63511bd23d3f38d1d2 , < 681c9702b7cd9afe0e5a840751ab009f550c69a9
(git)
cpe:2.3:a:danielberkompas:cloak:*:*:*:*:*:*:*:* |
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"lang": "en",
"type": "coordinator",
"value": "Jonatan M\u00e4nnchen / EEF"
}
],
"dateAssigned": "2026-10-06T08:35:00.000Z",
"descriptions": [
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"value": "\u003cp\u003eUse of Password Hash With Insufficient Computational Effort vulnerability in danielberkompas cloak_ecto and danielberkompas cloak allows an attacker who holds the hashed values and the configured secret to brute-force low-entropy plaintexts much faster than configured.\u003c/p\u003e\n\u003cp\u003eThe \u003ccode\u003edump/1\u003c/code\u003e callback that \u003ccode\u003eCloak.Ecto.PBKDF2\u003c/code\u003e (\u003ccode\u003eCloak.Fields.PBKDF2\u003c/code\u003e in cloak before the Ecto code moved to cloak_ecto) injects into a field module calls \u003ccode\u003e:pbkdf2.pbkdf2/4\u003c/code\u003e with \u003ccode\u003econfig[:size]\u003c/code\u003e in the iteration-count position. The \u003ccode\u003e:iterations\u003c/code\u003e setting is validated but never used. With the cloak_ecto defaults (\u003ccode\u003eiterations: 600_000\u003c/code\u003e, \u003ccode\u003esize: 32\u003c/code\u003e) each hash runs 32 PBKDF2 rounds instead of 600,000, so offline guessing of values such as email addresses costs about 18,750 times less than configured.\u003c/p\u003e\n\u003cp\u003eThis issue affects cloak_ecto: from 1.0.0-alpha.0 onward; cloak: from 0.7.0 before 1.0.0-alpha.0.\u003c/p\u003e"
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"value": "Use of Password Hash With Insufficient Computational Effort vulnerability in danielberkompas cloak_ecto and danielberkompas cloak allows an attacker who holds the hashed values and the configured secret to brute-force low-entropy plaintexts much faster than configured.\n\nThe `dump/1` callback that `Cloak.Ecto.PBKDF2` (`Cloak.Fields.PBKDF2` in cloak before the Ecto code moved to cloak_ecto) injects into a field module calls `:pbkdf2.pbkdf2/4` with `config[:size]` in the iteration-count position. The `:iterations` setting is validated but never used. With the cloak_ecto defaults (`iterations: 600_000`, `size: 32`) each hash runs 32 PBKDF2 rounds instead of 600,000, so offline guessing of values such as email addresses costs about 18,750 times less than configured.\n\nThis issue affects cloak_ecto: from 1.0.0-alpha.0 onward; cloak: from 0.7.0 before 1.0.0-alpha.0."
}
],
"value": "Use of Password Hash With Insufficient Computational Effort vulnerability in danielberkompas cloak_ecto and danielberkompas cloak allows an attacker who holds the hashed values and the configured secret to brute-force low-entropy plaintexts much faster than configured.\n\nThe dump/1 callback that Cloak.Ecto.PBKDF2 (Cloak.Fields.PBKDF2 in cloak before the Ecto code moved to cloak_ecto) injects into a field module calls :pbkdf2.pbkdf2/4 with config[:size] in the iteration-count position. The :iterations setting is validated but never used. With the cloak_ecto defaults (iterations: 600_000, size: 32) each hash runs 32 PBKDF2 rounds instead of 600,000, so offline guessing of values such as email addresses costs about 18,750 times less than configured.\n\nThis issue affects cloak_ecto: from 1.0.0-alpha.0 onward; cloak: from 0.7.0 before 1.0.0-alpha.0."
}
],
"impacts": [
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"capecId": "CAPEC-55",
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"value": "\u003cp\u003eAn attacker who obtains a database dump and the PBKDF2 secret can recover hashed values with low entropy, such as email addresses, by offline guessing at a cost far below what the configuration promises.\u003c/p\u003e"
},
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"value": "An attacker who obtains a database dump and the PBKDF2 secret can recover hashed values with low entropy, such as email addresses, by offline guessing at a cost far below what the configuration promises."
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"value": "An attacker who obtains a database dump and the PBKDF2 secret can recover hashed values with low entropy, such as email addresses, by offline guessing at a cost far below what the configuration promises."
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}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "NOT_DEFINED"
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"format": "CVSS",
"scenarios": [
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"lang": "en",
"value": "GENERAL"
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"problemTypes": [
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"descriptions": [
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"cweId": "CWE-916",
"description": "CWE-916 Use of Password Hash With Insufficient Computational Effort",
"lang": "en",
"type": "CWE"
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]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-06T08:38:04.584Z",
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF"
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"references": [
{
"name": "EEF CNA record for CVE-2026-94206",
"tags": [
"related",
"third-party-advisory"
],
"url": "https://cna.erlef.org/cves/CVE-2026-94206.html"
},
{
"name": "OSV record EEF-CVE-2026-94206",
"tags": [
"related"
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-94206"
},
{
"name": "Introducing commit a8fa164 in danielberkompas/cloak_ecto",
"tags": [
"related"
],
"url": "https://github.com/danielberkompas/cloak_ecto/commit/a8fa1642b02f1c445a1ee8794c9095eb0921f8f3"
},
{
"name": "Introducing commit 8699e64 in danielberkompas/cloak",
"tags": [
"related"
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"url": "https://github.com/danielberkompas/cloak/commit/8699e6417a162c39d9f0ef63511bd23d3f38d1d2"
},
{
"name": "Fix commit 681c970 in danielberkompas/cloak",
"tags": [
"patch"
],
"url": "https://github.com/danielberkompas/cloak/commit/681c9702b7cd9afe0e5a840751ab009f550c69a9"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Cloak PBKDF2 field ignores the configured iteration count and runs only :size rounds",
"workarounds": [
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"lang": "en",
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"value": "\u003cp\u003eOverride \u003ccode\u003edump/1\u003c/code\u003e in the field module that uses \u003ccode\u003eCloak.Ecto.PBKDF2\u003c/code\u003e, so that it calls \u003ccode\u003e:pbkdf2.pbkdf2/5\u003c/code\u003e with the configured \u003ccode\u003e:iterations\u003c/code\u003e and \u003ccode\u003e:size\u003c/code\u003e. Then recompute all stored hashes, because the existing values no longer match.\u003c/p\u003e"
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"value": "Override `dump/1` in the field module that uses `Cloak.Ecto.PBKDF2`, so that it calls `:pbkdf2.pbkdf2/5` with the configured `:iterations` and `:size`. Then recompute all stored hashes, because the existing values no longer match."
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"value": "Override dump/1 in the field module that uses Cloak.Ecto.PBKDF2, so that it calls :pbkdf2.pbkdf2/5 with the configured :iterations and :size. Then recompute all stored hashes, because the existing values no longer match."
}
],
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"value": "\u003col\u003e\n\u003cli\u003eDefine a field module with \u003ccode\u003euse Cloak.Ecto.PBKDF2\u003c/code\u003e and configure only a \u003ccode\u003e:secret\u003c/code\u003e, so that the defaults \u003ccode\u003eiterations: 600_000\u003c/code\u003e and \u003ccode\u003esize: 32\u003c/code\u003e apply.\u003c/li\u003e\n\u003cli\u003eCall \u003ccode\u003edump/1\u003c/code\u003e on a value.\u003c/li\u003e\n\u003cli\u003eCompare the result with \u003ccode\u003e:pbkdf2.pbkdf2({:hmac, :sha256}, value, secret, 32)\u003c/code\u003e and with the same call at 600,000 rounds. It matches the 32-round hash, not the 600,000-round hash, and returns in microseconds instead of about one second.\u003c/li\u003e\n\u003c/ol\u003e"
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"value": "1. Define a field module with `use Cloak.Ecto.PBKDF2` and configure only a `:secret`, so that the defaults `iterations: 600_000` and `size: 32` apply.\n2. Call `dump/1` on a value.\n3. Compare the result with `:pbkdf2.pbkdf2({:hmac, :sha256}, value, secret, 32)` and with the same call at 600,000 rounds. It matches the 32-round hash, not the 600,000-round hash, and returns in microseconds instead of about one second."
}
],
"value": "* Define a field module with use Cloak.Ecto.PBKDF2 and configure only a :secret, so that the defaults iterations: 600_000 and size: 32 apply.\n* Call dump/1 on a value.\n* Compare the result with :pbkdf2.pbkdf2({:hmac, :sha256}, value, secret, 32) and with the same call at 600,000 rounds. It matches the 32-round hash, not the 600,000-round hash, and returns in microseconds instead of about one second."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"assignerShortName": "EEF",
"cveId": "CVE-2026-94206",
"datePublished": "2026-10-06T08:38:04.584Z",
"dateReserved": "2026-09-24T09:30:02.102Z",
"dateUpdated": "2026-10-06T11:36:25.466Z",
"state": "PUBLISHED"
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"dataVersion": "5.2"
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Mitigation MIT-51
Architecture and Design
- Use an adaptive hash function that can be configured to change the amount of computational effort needed to compute the hash, such as the number of iterations ("stretching") or the amount of memory required. Some hash functions perform salting automatically. These functions can significantly increase the overhead for a brute force attack compared to intentionally-fast functions such as MD5. For example, rainbow table attacks can become infeasible due to the high computing overhead. Finally, since computing power gets faster and cheaper over time, the technique can be reconfigured to increase the workload without forcing an entire replacement of the algorithm in use.
- Some hash functions that have one or more of these desired properties include bcrypt [REF-291], scrypt [REF-292], and PBKDF2 [REF-293]. While there is active debate about which of these is the most effective, they are all stronger than using salts with hash functions with very little computing overhead.
- Note that using these functions can have an impact on performance, so they require special consideration to avoid denial-of-service attacks. However, their configurability provides finer control over how much CPU and memory is used, so it could be adjusted to suit the environment's needs.
Mitigation MIT-25
Implementation
Architecture and Design
When using industry-approved techniques, use them correctly. Don't cut corners by skipping resource-intensive steps (CWE-325). These steps are often essential for preventing common attacks.
CAPEC-55: Rainbow Table Password Cracking
An attacker gets access to the database table where hashes of passwords are stored. They then use a rainbow table of pre-computed hash chains to attempt to look up the original password. Once the original password corresponding to the hash is obtained, the attacker uses the original password to gain access to the system.