| id: GO-2025-4113 |
| modules: |
| - module: github.com/oauth2-proxy/oauth2-proxy |
| vulnerable_at: 3.2.0+incompatible |
| - module: github.com/oauth2-proxy/oauth2-proxy/v7 |
| versions: |
| - fixed: 7.13.0 |
| vulnerable_at: 7.12.0 |
| summary: |- |
| OAuth2-Proxy is vulnerable to header smuggling via underscore leading to |
| potential privilege escalation in github.com/oauth2-proxy/oauth2-proxy |
| cves: |
| - CVE-2025-64484 |
| ghsas: |
| - GHSA-vjrc-mh2v-45x6 |
| references: |
| - advisory: https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-vjrc-mh2v-45x6 |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-64484 |
| - fix: https://github.com/oauth2-proxy/oauth2-proxy/commit/f3f30fa976fb4bb97d6345ba4735cb6d86e24f95 |
| - web: https://datatracker.ietf.org/doc/html/rfc2616#section-4.2 |
| - web: https://datatracker.ietf.org/doc/html/rfc822#section-3.2 |
| - web: https://github.com/oauth2-proxy/oauth2-proxy/releases/tag/v7.13.0 |
| - web: https://github.security.telekom.com/2020/05/smuggling-http-headers-through-reverse-proxies.html |
| - web: https://www.uptimia.com/questions/why-are-http-headers-with-underscores-dropped-by-nginx |
| source: |
| id: GHSA-vjrc-mh2v-45x6 |
| created: 2025-11-17T13:00:01.584392081-05:00 |
| review_status: UNREVIEWED |
