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Vulnerability Details :

CVE-2026-22034

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-08 Jan, 2026 | 14:49
Updated At-08 Jan, 2026 | 15:06
Rejected At-
Credits

Snuffleupagus vulnerable to RCE on instances with upload validation enabled but without the VLD package

Snuffleupagus is a module that raises the cost of attacks against website by killing bug classes and providing a virtual patching system. On deployments of Snuffleupagus prior to version 0.13.0 with the non-default upload validation feature enabled and configured to use one of the upstream validation scripts based on Vulcan Logic Disassembler (VLD) while the VLD extension is not available to the CLI SAPI, all files from multipart POST requests are evaluated as PHP code. The issue was fixed in version 0.13.0.

Vendors
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Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:08 Jan, 2026 | 14:49
Updated At:08 Jan, 2026 | 15:06
Rejected At:
▼CVE Numbering Authority (CNA)
Snuffleupagus vulnerable to RCE on instances with upload validation enabled but without the VLD package

Snuffleupagus is a module that raises the cost of attacks against website by killing bug classes and providing a virtual patching system. On deployments of Snuffleupagus prior to version 0.13.0 with the non-default upload validation feature enabled and configured to use one of the upstream validation scripts based on Vulcan Logic Disassembler (VLD) while the VLD extension is not available to the CLI SAPI, all files from multipart POST requests are evaluated as PHP code. The issue was fixed in version 0.13.0.

Affected Products
Vendor
jvoisin
Product
snuffleupagus
Versions
Affected
  • < 0.13.0
Problem Types
TypeCWE IDDescription
CWECWE-636CWE-636: Not Failing Securely ('Failing Open')
Type: CWE
CWE ID: CWE-636
Description: CWE-636: Not Failing Securely ('Failing Open')
Metrics
VersionBase scoreBase severityVector
4.09.2CRITICAL
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 4.0
Base score: 9.2
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/jvoisin/snuffleupagus/security/advisories/GHSA-c4ch-xw5p-2mvc
x_refsource_CONFIRM
https://github.com/jvoisin/snuffleupagus/commit/9278dc77bab2a219e770a1b31dd6797bc9070e37
x_refsource_MISC
https://github.com/jvoisin/snuffleupagus/blob/9278dc77bab2a219e770a1b31dd6797bc9070e37/src/sp_upload_validation.c#L92-L100
x_refsource_MISC
https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.php
x_refsource_MISC
https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.py
x_refsource_MISC
https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/ext/standard/dl.c#L165-L166
x_refsource_MISC
https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/main/rfc1867.c#L1269-L1274
x_refsource_MISC
https://snuffleupagus.readthedocs.io/config.html#upload-validation
x_refsource_MISC
Hyperlink: https://github.com/jvoisin/snuffleupagus/security/advisories/GHSA-c4ch-xw5p-2mvc
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/jvoisin/snuffleupagus/commit/9278dc77bab2a219e770a1b31dd6797bc9070e37
Resource:
x_refsource_MISC
Hyperlink: https://github.com/jvoisin/snuffleupagus/blob/9278dc77bab2a219e770a1b31dd6797bc9070e37/src/sp_upload_validation.c#L92-L100
Resource:
x_refsource_MISC
Hyperlink: https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.php
Resource:
x_refsource_MISC
Hyperlink: https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.py
Resource:
x_refsource_MISC
Hyperlink: https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/ext/standard/dl.c#L165-L166
Resource:
x_refsource_MISC
Hyperlink: https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/main/rfc1867.c#L1269-L1274
Resource:
x_refsource_MISC
Hyperlink: https://snuffleupagus.readthedocs.io/config.html#upload-validation
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:08 Jan, 2026 | 15:15
Updated At:08 Jan, 2026 | 18:08

Snuffleupagus is a module that raises the cost of attacks against website by killing bug classes and providing a virtual patching system. On deployments of Snuffleupagus prior to version 0.13.0 with the non-default upload validation feature enabled and configured to use one of the upstream validation scripts based on Vulcan Logic Disassembler (VLD) while the VLD extension is not available to the CLI SAPI, all files from multipart POST requests are evaluated as PHP code. The issue was fixed in version 0.13.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.2CRITICAL
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 9.2
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-636Primarysecurity-advisories@github.com
CWE ID: CWE-636
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/jvoisin/snuffleupagus/blob/9278dc77bab2a219e770a1b31dd6797bc9070e37/src/sp_upload_validation.c#L92-L100security-advisories@github.com
N/A
https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.phpsecurity-advisories@github.com
N/A
https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.pysecurity-advisories@github.com
N/A
https://github.com/jvoisin/snuffleupagus/commit/9278dc77bab2a219e770a1b31dd6797bc9070e37security-advisories@github.com
N/A
https://github.com/jvoisin/snuffleupagus/security/advisories/GHSA-c4ch-xw5p-2mvcsecurity-advisories@github.com
N/A
https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/ext/standard/dl.c#L165-L166security-advisories@github.com
N/A
https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/main/rfc1867.c#L1269-L1274security-advisories@github.com
N/A
https://snuffleupagus.readthedocs.io/config.html#upload-validationsecurity-advisories@github.com
N/A
Hyperlink: https://github.com/jvoisin/snuffleupagus/blob/9278dc77bab2a219e770a1b31dd6797bc9070e37/src/sp_upload_validation.c#L92-L100
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.php
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.py
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/jvoisin/snuffleupagus/commit/9278dc77bab2a219e770a1b31dd6797bc9070e37
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/jvoisin/snuffleupagus/security/advisories/GHSA-c4ch-xw5p-2mvc
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/ext/standard/dl.c#L165-L166
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/main/rfc1867.c#L1269-L1274
Source: security-advisories@github.com
Resource: N/A
Hyperlink: https://snuffleupagus.readthedocs.io/config.html#upload-validation
Source: security-advisories@github.com
Resource: N/A

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