Description
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.
References (8)
Core 8
Core References
Vendor Advisory x_refsource_confirm
https://github.com/jvoisin/snuffleupagus/security/advisories/GHSA-c4ch-xw5p-2mvc
Patch x_refsource_misc
https://github.com/jvoisin/snuffleupagus/commit/9278dc77bab2a219e770a1b31dd6797bc9070e37
Various Sources x_refsource_misc
https://github.com/jvoisin/snuffleupagus/blob/9278dc77bab2a219e770a1b31dd6797bc9070e37/src/sp_upload_validation.c#L92-L100
Various Sources x_refsource_misc
https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.php
Various Sources x_refsource_misc
https://github.com/jvoisin/snuffleupagus/blob/v0.12.0/scripts/upload_validation.py
Various Sources x_refsource_misc
https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/ext/standard/dl.c#L165-L166
Various Sources x_refsource_misc
https://github.com/php/php-src/blob/e4098da58a9eaee759d728d98a27d809cde37671/main/rfc1867.c#L1269-L1274
Various Sources x_refsource_misc
https://snuffleupagus.readthedocs.io/config.html#upload-validation
Scores
CVSS v3
9.8
EPSS
0.0005
EPSS Percentile
16.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-636
Status
published
Products (1)
jvoisin/snuffleupagus
< 0.13.0
Published
Jan 08, 2026
Tracked Since
Feb 18, 2026