PyPI/thumbor CVE-2026-53501: high 8.2, EPSS 0.35%
Thumbor has HMAC validation bypass via multiple .replace() calls when removing URL signature
Action: Upgrade thumbor to 7.8.0 or later.
pip install thumbor==7.8.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 7.8.0 | - |
Fixed versions
| 7.8.0 |
Sources
- osv: GHSA-mw3h-qjxj-6xg9
- https://github.com/thumbor/thumbor/security/advisories/GHSA-mw3h-qjxj-6xg9
- https://github.com/thumbor/thumbor/commit/e3ae3e2500537b4d735df4144129a649374bb70b
- https://github.com/thumbor/thumbor
- https://github.com/thumbor/thumbor/releases/tag/7.8.0
CVE-2026-53501 · published · modified · JSON