High severity8.2GHSA Advisory· Published May 14, 2026· Updated May 18, 2026

CVE-2026-40893

Description

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, Gotenberg only checks if the tag is exactly FileName, so System:FileName slips right through and ExifTool happily renames the file. This allows remote attackers to move, rename, and change permissions for arbitrary files. This vulnerability is fixed in 8.31.0.

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Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
github.com/gotenberg/gotenberg/v8Go	<= 8.30.1	—

Affected products

Gotenberg/GotenbergGHSA2 versions
<= 8.30.1+ 1 more
- (no CPE)range: <= 8.30.1
- cpe:2.3:a:thecodingmachine:gotenberg:*:*:*:*:*:*:*:*range: <8.31.0
ghsa-coords
pkg:golang/github.com/gotenberg/gotenberg/v8
Range: <= 8.30.1

Patches

Vulnerability mechanics

References

github.com/gotenberg/gotenberg/security/advisories/GHSA-62p3-hvxx-fxg4nvdExploitVendor AdvisoryWEB
github.com/advisories/GHSA-62p3-hvxx-fxg4ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-40893ghsaADVISORY

News mentions

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cvss	0.533
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000