CVE-2026-27018
HIGHCVSS 7.5/10EPSS 0.54%
Last modified
CVE-2026-27018 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Gotenberg is an API for converting document formats. Prior to version 8.29.0, the fix introduced for CVE-2024-21527 can be bypassed using mixed-case or uppercase URL schemes. EPSS estimates a 0.54% chance of exploitation in the next 30 days.
Description
Gotenberg is an API for converting document formats. Prior to version 8.29.0, the fix introduced for CVE-2024-21527 can be bypassed using mixed-case or uppercase URL schemes. This issue has been patched in version 8.29.0.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Thecodingmachine | Gotenberg | < 8.29.0 |
References
- https://github.com/gotenberg/gotenberg/releases/tag/v8.29.0Product, Release Notes
- https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6rExploit, Mitigation, Vendor Advisory
- https://github.com/gotenberg/gotenberg/security/advisories/GHSA-jjwv-57xh-xr6rExploit, Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-27018?
Gotenberg is an API for converting document formats. Prior to version 8.29.0, the fix introduced for CVE-2024-21527 can be bypassed using mixed-case or uppercase URL schemes. This issue has been patched in version 8.29.0.
How severe is CVE-2026-27018?
CVE-2026-27018 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2026-27018?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2026-27018?
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