Common Weakness Enumeration
CWE-502
AllowedDeserialization of Untrusted Data
Abstraction: Base · Status: Draft
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
5803 vulnerabilities reference this CWE, most recent first.
CVE-2026-114403 (GCVE-0-2026-114403)
Vulnerability from cvelistv5 – Published: 2026-10-21 12:39 – Updated: 2026-10-21 12:39
VLAI
EPSS
VEX
Title
PHPOffice PHPPresentation through 1.2.0 Deserialization via Reader\Serialized::load
Summary
PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supplying a crafted presentation file. Attackers can upload a ZIP containing PhpPresentation.xml that IOFactory::load passes to unserialize(), enabling gadget-chain code execution, file writes, or denial of service.
Severity
8.1 (High)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@leediay/multiple_vulnerable_ph… | third-party-advisory |
| https://github.com/PHPOffice/PHPPresentation/blob… | technical-description |
| https://github.com/PHPOffice/PHPPresentation/blob… | technical-description |
| https://github.com/PHPOffice/PHPPresentation | product |
| https://www.vulncheck.com/advisories/phpoffice-ph… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PHPOffice | PHPPresentation |
Affected:
0 , ≤ 1.2.0
(semver)
|
Date Public
2026-10-09 09:59
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CVE-2026-114198 (GCVE-0-2026-114198)
Vulnerability from cvelistv5 – Published: 2026-10-21 00:39 – Updated: 2026-10-21 17:19
VLAI
EPSS
VEX
Title
Deserialization of untrusted data in floss
Summary
Deserialization of untrusted data in Mandiant FLARE floss releases before 3.2.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the floss utility
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 15:35 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/mandiant/Vulnerability-Disclos… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mandiant FLARE | floss |
Affected:
0 , < 3.2.0
(semver)
|
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CVE-2026-114197 (GCVE-0-2026-114197)
Vulnerability from cvelistv5 – Published: 2026-10-21 00:39 – Updated: 2026-10-21 17:19
VLAI
EPSS
VEX
Title
Deserialization of untrusted data in capa
Summary
Deserialization of untrusted data in Mandiant FLARE capa releases before 10.0.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the capa utility
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 15:36 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/mandiant/Vulnerability-Disclos… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mandiant FLARE | capa |
Affected:
0 , < 10.0.0
(semver)
|
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CVE-2026-113779 (GCVE-0-2026-113779)
Vulnerability from cvelistv5 – Published: 2026-10-21 14:06 – Updated: 2026-10-21 15:47
VLAI
EPSS
VEX
Title
pfSense REST API package Vulnerable to Privilege Escalation via Scoped HA Settings Sync Permission
Summary
The pfSense REST API package is an unofficial, open-source REST and GraphQL API for pfSense CE and pfSense Plus firewalls. A privilege escalation vulnerability in pfSense-pkg-RESTAPI prior to version 2.9.0 allows authenticated accounts holding the dedicated settings sync permission to modify REST API configuration secrets. This enables a non-administrative user to elevate their privileges to a full administrator. pfSense-pkg-RESTAPI 2.9.0 patches the issue. Access to the HA settings sync endpoint now strictly requires full administrative privileges (`page-all`). The sub-administrative sync privilege has been removed in versions v2.9.0 and later. In addition to correcting the access control boundary, version 2.9.0 includes the following hardening measures: opt-in default and format and validation modernization. As a workaround, one may mitigate exposure by taking either or all of the following steps. Revoke Scoped Permissions: Remove the `api-v2-system-restapi-settings-sync-post` privilege from all non-administrative users. Apply ACLs: Configure REST API Access Control Lists (ACLs) and/or firewall rules to restrict access to API endpoints exclusively to trusted administrator and HA peer IP addresses.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 15:06 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pfrest/pfSense-pkg-RESTAPI/sec… | x_refsource_CONFIRM |
| https://github.com/pfrest/pfSense-pkg-RESTAPI/rel… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pfrest | pfSense-pkg-RESTAPI |
Affected:
< 2.9.0
|
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CVE-2026-113404 (GCVE-0-2026-113404)
Vulnerability from cvelistv5 – Published: 2026-10-20 06:24 – Updated: 2026-10-20 16:11
VLAI
EPSS
VEX
Title
Uniong｜WebITR - Insecure Deserialization
Summary
WebITR developed by Uniong has a Insecure Deserialization vulnerability. Authenticated remote attackers can use the hard-coded cryptographic key to craft and submit malicious serialized data, thereby executing arbitrary code on the server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 16:11 UTC
CWE
- CWE-502 - / CWE-321
Assigner
References
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CVE-2026-113356 (GCVE-0-2026-113356)
Vulnerability from cvelistv5 – Published: 2026-10-20 10:41 – Updated: 2026-10-20 16:06
VLAI
EPSS
VEX
Title
DokuWiki before 2026-07-14c PHP Object Injection via Draft Race Condition
Summary
DokuWiki before 2026-07-14c contains a PHP object injection vulnerability in Draft::getDraftText() that passes draft file contents to unserialize() without restricting allowed classes. Authenticated users with edit rights can race concurrent draft rewrites to splice serialized data, instantiating gadgets like MemoryIndex or Installer for arbitrary file write, deletion, and code execution.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 16:03 UTC
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/dokuwiki/dokuwiki/issues/4752 | issue-tracking |
| https://gist.github.com/sebastianosrt/a0c0252ca33… | exploittechnical-description |
| https://github.com/dokuwiki/dokuwiki/commit/15318… | patch |
| https://github.com/dokuwiki/dokuwiki/releases/tag… | release-notes |
| https://github.com/dokuwiki/dokuwiki/blob/b61db59… | technical-description |
| https://www.vulncheck.com/advisories/dokuwiki-bef… | third-party-advisory |
Impacted products
Date Public
2026-09-02 17:46
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CVE-2026-112304 (GCVE-0-2026-112304)
Vulnerability from cvelistv5 – Published: 2026-10-19 15:28 – Updated: 2026-10-19 15:28
VLAI
EPSS
VEX
Title
docTR through 1.1.0 Unsafe Deserialization RCE via load_pretrained_params()
Summary
docTR through 1.1.0 contains an unsafe deserialization vulnerability in load_pretrained_params() that loads checkpoints with torch.load without weights_only=True. Attackers who control a local or URL-supplied checkpoint can embed a malicious pickle payload to execute Python code with the loading process's privileges on torch releases before 2.6.
Severity
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mindee/doctr/issues/2175 | issue-tracking |
| https://github.com/mindee/doctr/commit/687503dd15… | patch |
| https://github.com/mindee/doctr/blob/v1.1.0/doctr… | technical-description |
| https://www.vulncheck.com/advisories/doctr-throug… | third-party-advisory |
Date Public
2026-10-17 16:32
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CVE-2026-112086 (GCVE-0-2026-112086)
Vulnerability from cvelistv5 – Published: 2026-10-19 06:00 – Updated: 2026-10-19 17:32 X_Open Source
VLAI
EPSS
VEX
Title
ESPnet Inference Model inference_model.py build_model deserialization
Summary
A vulnerability was found in ESPnet up to 202610.post2. This affects the function build_model of the file espnet3/publication/inference_model.py of the component Inference Model Handler. The manipulation of the argument _target_ results in deserialization. It is possible to launch the attack remotely. The exploit has been made public and could be used. The patch is identified as f217b24f06de55e332cab10231469d5890dbbe00. It is best practice to apply a patch to resolve this issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 17:31 UTC
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/421831 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/421831/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-112086 | third-party-advisory |
| https://vuldb.com/submit/1011320 | third-party-advisory |
| https://github.com/espnet/espnet/issues/6828 | issue-tracking |
| https://github.com/espnet/espnet/pull/6829 | issue-trackingpatch |
| https://github.com/user-attachments/files/3295736… | exploit |
| https://github.com/espnet/espnet/commit/f217b24f0… | patch |
| https://github.com/espnet/espnet/ | product |
Impacted products
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CVE-2026-112081 (GCVE-0-2026-112081)
Vulnerability from cvelistv5 – Published: 2026-10-19 05:15 – Updated: 2026-10-19 05:15
VLAI
EPSS
VEX
Title
hankcs HanLP Model Config Loading reflection.py hanlp.load deserialization
Summary
A vulnerability was determined in hankcs HanLP up to 2.1.0-beta.64. This affects the function hanlp.load of the file plugins/hanlp_common/hanlp_common/reflection.py of the component Model Config Loading. This manipulation of the argument classpath causes deserialization. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Severity
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/421760 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/421760/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-112081 | third-party-advisory |
| https://vuldb.com/submit/1009708 | third-party-advisory |
| https://github.com/hankcs/HanLP/issues/1969 | issue-tracking |
| https://github.com/user-attachments/files/3291174… | exploit |
| https://github.com/hankcs/HanLP/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hankcs | HanLP |
Affected:
2.1.0-beta.0
Affected: 2.1.0-beta.1 Affected: 2.1.0-beta.2 Affected: 2.1.0-beta.3 Affected: 2.1.0-beta.4 Affected: 2.1.0-beta.5 Affected: 2.1.0-beta.6 Affected: 2.1.0-beta.7 Affected: 2.1.0-beta.8 Affected: 2.1.0-beta.9 Affected: 2.1.0-beta.10 Affected: 2.1.0-beta.11 Affected: 2.1.0-beta.12 Affected: 2.1.0-beta.13 Affected: 2.1.0-beta.14 Affected: 2.1.0-beta.15 Affected: 2.1.0-beta.16 Affected: 2.1.0-beta.17 Affected: 2.1.0-beta.18 Affected: 2.1.0-beta.19 Affected: 2.1.0-beta.20 Affected: 2.1.0-beta.21 Affected: 2.1.0-beta.22 Affected: 2.1.0-beta.23 Affected: 2.1.0-beta.24 Affected: 2.1.0-beta.25 Affected: 2.1.0-beta.26 Affected: 2.1.0-beta.27 Affected: 2.1.0-beta.28 Affected: 2.1.0-beta.29 Affected: 2.1.0-beta.30 Affected: 2.1.0-beta.31 Affected: 2.1.0-beta.32 Affected: 2.1.0-beta.33 Affected: 2.1.0-beta.34 Affected: 2.1.0-beta.35 Affected: 2.1.0-beta.36 Affected: 2.1.0-beta.37 Affected: 2.1.0-beta.38 Affected: 2.1.0-beta.39 Affected: 2.1.0-beta.40 Affected: 2.1.0-beta.41 Affected: 2.1.0-beta.42 Affected: 2.1.0-beta.43 Affected: 2.1.0-beta.44 Affected: 2.1.0-beta.45 Affected: 2.1.0-beta.46 Affected: 2.1.0-beta.47 Affected: 2.1.0-beta.48 Affected: 2.1.0-beta.49 Affected: 2.1.0-beta.50 Affected: 2.1.0-beta.51 Affected: 2.1.0-beta.52 Affected: 2.1.0-beta.53 Affected: 2.1.0-beta.54 Affected: 2.1.0-beta.55 Affected: 2.1.0-beta.56 Affected: 2.1.0-beta.57 Affected: 2.1.0-beta.58 Affected: 2.1.0-beta.59 Affected: 2.1.0-beta.60 Affected: 2.1.0-beta.61 Affected: 2.1.0-beta.62 Affected: 2.1.0-beta.63 Affected: 2.1.0-beta.64 cpe:2.3:a:hankcs:hanlp:*:*:*:*:*:*:*:* |
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"version": "2.1.0-beta.63"
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CVE-2026-112079 (GCVE-0-2026-112079)
Vulnerability from cvelistv5 – Published: 2026-10-19 04:45 – Updated: 2026-10-19 16:36
VLAI
EPSS
VEX
Title
hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor deserialization
Summary
A vulnerability has been found in hankcs HanLP up to 2.1.0-beta.64. The affected element is the function load_word2vec_as_vocab_tensor of the file hanlp/utils/torch_util.py. The manipulation of the argument vectors.vocab leads to deserialization. The attack is possible to be carried out remotely. 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: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:46 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/421758 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/421758/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-112079 | third-party-advisory |
| https://vuldb.com/submit/1009644 | third-party-advisory |
| https://github.com/hankcs/HanLP/issues/1968 | issue-tracking |
| https://github.com/user-attachments/files/3291016… | exploit |
| https://github.com/hankcs/HanLP/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hankcs | HanLP |
Affected:
2.1.0-beta.0
Affected: 2.1.0-beta.1 Affected: 2.1.0-beta.2 Affected: 2.1.0-beta.3 Affected: 2.1.0-beta.4 Affected: 2.1.0-beta.5 Affected: 2.1.0-beta.6 Affected: 2.1.0-beta.7 Affected: 2.1.0-beta.8 Affected: 2.1.0-beta.9 Affected: 2.1.0-beta.10 Affected: 2.1.0-beta.11 Affected: 2.1.0-beta.12 Affected: 2.1.0-beta.13 Affected: 2.1.0-beta.14 Affected: 2.1.0-beta.15 Affected: 2.1.0-beta.16 Affected: 2.1.0-beta.17 Affected: 2.1.0-beta.18 Affected: 2.1.0-beta.19 Affected: 2.1.0-beta.20 Affected: 2.1.0-beta.21 Affected: 2.1.0-beta.22 Affected: 2.1.0-beta.23 Affected: 2.1.0-beta.24 Affected: 2.1.0-beta.25 Affected: 2.1.0-beta.26 Affected: 2.1.0-beta.27 Affected: 2.1.0-beta.28 Affected: 2.1.0-beta.29 Affected: 2.1.0-beta.30 Affected: 2.1.0-beta.31 Affected: 2.1.0-beta.32 Affected: 2.1.0-beta.33 Affected: 2.1.0-beta.34 Affected: 2.1.0-beta.35 Affected: 2.1.0-beta.36 Affected: 2.1.0-beta.37 Affected: 2.1.0-beta.38 Affected: 2.1.0-beta.39 Affected: 2.1.0-beta.40 Affected: 2.1.0-beta.41 Affected: 2.1.0-beta.42 Affected: 2.1.0-beta.43 Affected: 2.1.0-beta.44 Affected: 2.1.0-beta.45 Affected: 2.1.0-beta.46 Affected: 2.1.0-beta.47 Affected: 2.1.0-beta.48 Affected: 2.1.0-beta.49 Affected: 2.1.0-beta.50 Affected: 2.1.0-beta.51 Affected: 2.1.0-beta.52 Affected: 2.1.0-beta.53 Affected: 2.1.0-beta.54 Affected: 2.1.0-beta.55 Affected: 2.1.0-beta.56 Affected: 2.1.0-beta.57 Affected: 2.1.0-beta.58 Affected: 2.1.0-beta.59 Affected: 2.1.0-beta.60 Affected: 2.1.0-beta.61 Affected: 2.1.0-beta.62 Affected: 2.1.0-beta.63 Affected: 2.1.0-beta.64 cpe:2.3:a:hankcs:hanlp:*:*:*:*:*:*:*:* |
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"version": "2.1.0-beta.54"
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{
"status": "affected",
"version": "2.1.0-beta.55"
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{
"status": "affected",
"version": "2.1.0-beta.56"
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{
"status": "affected",
"version": "2.1.0-beta.57"
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{
"status": "affected",
"version": "2.1.0-beta.58"
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{
"status": "affected",
"version": "2.1.0-beta.59"
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{
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"version": "2.1.0-beta.60"
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"version": "2.1.0-beta.61"
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{
"status": "affected",
"version": "2.1.0-beta.62"
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{
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"version": "2.1.0-beta.63"
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{
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}
]
}
],
"credits": [
{
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"type": "reporter",
"value": "r1ck9 (VulDB User)"
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{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been found in hankcs HanLP up to 2.1.0-beta.64. The affected element is the function load_word2vec_as_vocab_tensor of the file hanlp/utils/torch_util.py. The manipulation of the argument vectors.vocab leads to deserialization. The attack is possible to be carried out remotely. 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."
}
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"metrics": [
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"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
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"description": "Deserialization",
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{
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"description": "Improper Input Validation",
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}
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"url": "https://vuldb.com/vuln/421758"
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},
{
"name": "CVE-2026-112079 | CVE Analysis and Report",
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"url": "https://vuldb.com/cve/CVE-2026-112079"
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{
"name": "Submit #1009644 | hankcs HanLP commit ddb1299bddff079e447af52ec12549c50636bfa8 (2.1.0-beta.64) Insecure Deserialization",
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"url": "https://vuldb.com/submit/1009644"
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"url": "https://github.com/user-attachments/files/32910161/hanlp-ddb1299-vocab-pickle-poc.zip"
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"url": "https://github.com/hankcs/HanLP/"
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"time": "2026-10-18T00:00:00.000Z",
"value": "Advisory disclosed"
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"time": "2026-10-18T02:00:00.000Z",
"value": "VulDB entry created"
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{
"lang": "en",
"time": "2026-10-18T16:11:04.000Z",
"value": "VulDB entry last update"
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"title": "hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor deserialization",
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"dateReserved": "2026-10-18T14:05:59.370Z",
"dateUpdated": "2026-10-19T16:36:33.443Z",
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Mitigation
Architecture and Design
Implementation
If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.
Mitigation
Implementation
When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.
Mitigation
Implementation
Explicitly define a final object() to prevent deserialization.
Mitigation
Architecture and Design
Implementation
- Make fields transient to protect them from deserialization.
- An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation
Implementation
Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.
Mitigation
Architecture and Design
Implementation
Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-586: Object Injection
An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.