Vulnerability in Gotenberg
CVE-2026-40281
Gotenberg is a Docker-powered stateless API for PDF files. In versions 8.30.1 and earlier, the metadata write endpoint validates metadata keys for control characters but leaves metadata values unsanitized. A newline character in a metadata…
EPSS: 0.000 (7.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H.
Affected products
- Gotenberg — versions <= 8.30.1
- Thecodingmachine Gotenberg
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-40281?
- CVE-2026-40281 is a critical-severity vulnerability in Gotenberg, classified under Argument Injection. CVSS score: 10.0/10. Published 2026-05-06.
- How severe is CVE-2026-40281?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2026-40281 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.