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CWE-1284
Improper Validation of Specified Quantity in Input
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
CVE-2026-57053 (GCVE-0-2026-57053)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:40 – Updated: 2026-06-23 17:40
VLAI
Summary
GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2.
Severity
4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
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CVE-2026-57062 (GCVE-0-2026-57062)
Vulnerability from cvelistv5 – Published: 2026-06-23 17:26 – Updated: 2026-06-23 17:35
VLAI
Summary
CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
2 references
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CVE-2026-57623 (GCVE-0-2026-57623)
Vulnerability from cvelistv5 – Published: 2026-07-02 11:15 – Updated: 2026-07-02 14:37
VLAI
Title
WordPress W3 Total Cache plugin <= 2.9.4 - Arbitrary Code Execution vulnerability
Summary
Unauthenticated Arbitrary Code Execution in W3 Total Cache <= 2.9.4 versions.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| BoldGrid | W3 Total Cache |
Affected:
n/a , ≤ 2.9.4
(custom)
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CVE-2026-6839 (GCVE-0-2026-6839)
Vulnerability from cvelistv5 – Published: 2026-04-22 06:07 – Updated: 2026-04-22 12:30
VLAI
Summary
Improper validation of STRING tensor offsets could allows malformed string metadata to trigger out of bounds access during constant tensor import in Samsung Open Source ONE
Affected version is prior to commit 1.30.0.
Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper validation of specified quantity in input
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Open Source | ONE |
Affected:
1.30.0
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CVE-2026-6915 (GCVE-0-2026-6915)
Vulnerability from cvelistv5 – Published: 2026-04-29 16:51 – Updated: 2026-04-29 17:49
VLAI
Title
Flaw in the updateUser Command May Allow Unauthorized Configuration Change
Summary
An authorization flaw in the user management command could allow an authenticated user to make limited changes to authentication-related data associated with another user account. This could affect how authentication is performed for the impacted account.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper validation of specified quantity in input
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB | MongoDB Server |
Affected:
8.2.0 , < 8.2.7
(custom)
Affected: 8.0.0 , < 8.0.21 (custom) Affected: 7.0.0 , < 7.0.32 (custom) |
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CVE-2026-7254 (GCVE-0-2026-7254)
Vulnerability from cvelistv5 – Published: 2026-05-27 13:12 – Updated: 2026-05-27 14:48
VLAI
Title
Open BMC Denial of Service
Summary
IBM OPENBMC FW1110.00 through FW1110.11 is vulnerable to denial of service attacks by unauthenticated network users.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7272993 | vendor-advisorypatch |
Impacted products
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CVE-2026-8047 (GCVE-0-2026-8047)
Vulnerability from cvelistv5 – Published: 2026-05-26 06:49 – Updated: 2026-05-26 10:48
VLAI
Title
Out-of-bounds Write in CODESYS Control
Summary
The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
1 reference
Impacted products
16 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Runtime Toolkit |
Affected:
3.5.21.0 , < 3.5.22.20
(semver)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux ARM SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
0.0.0 , < 4.21.0.0
(semver)
|
|
| CODESYS | CODESYS Virtual Control SL |
Affected:
4.15.0.0 , < 4.21.0.0
(semver)
|
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CVE-2026-9704 (GCVE-0-2026-9704)
Vulnerability from cvelistv5 – Published: 2026-05-27 12:56 – Updated: 2026-06-26 06:46
VLAI
Title
Keycloak: keycloak: privilege escalation due to oversized subject_token jwt
Summary
A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subject_token JSON Web Token (JWT) to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client credentials. This allows the user to gain the permissions of the client's service account, leading to privilege escalation.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:25097 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25098 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30049 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30050 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-9704 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2481877 | issue-trackingx_refsource_REDHAT |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.13-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-19 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.13 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6.3-3 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6-6 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6.3 |
cpe:/a:redhat:build_keycloak:26.6::el9 |
Date Public
2026-05-27 12:45
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CVE-2026-9801 (GCVE-0-2026-9801)
Vulnerability from cvelistv5 – Published: 2026-05-28 04:42 – Updated: 2026-06-26 06:46
VLAI
Title
Keycloak: keycloak: denial of service via malformed ldap password policy response
Summary
A flaw was found in Keycloak. A remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol (LDAP) server or an attacker compromising an upstream LDAP server, could exploit this vulnerability. By sending a malformed LDAP password policy response during a password authentication request, the attacker can trigger an OutOfMemoryError. This causes the Keycloak Java Virtual Machine (JVM) to terminate, leading to a denial of service (DoS) for all realms on the affected node.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:25097 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25098 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30049 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30050 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-9801 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2482473 | issue-trackingx_refsource_REDHAT |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.13-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
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Unaffected:
26.4-19 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.13 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6.3-3 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6-6 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6.3 |
cpe:/a:redhat:build_keycloak:26.6::el9 |
Date Public
2026-05-28 04:18
Credits
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Mitigation ID: MIT-5
Phase: Implementation
Strategy: Input Validation
Description:
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
No CAPEC attack patterns related to this CWE.