HIGHCVSS v3.1 7.4Vulnerability
CVE-2026-128023
FrankenPHP before 1.13.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to spoof trusted headers by sending dot-form header names that PHP rewrites to underscores. Attackers can send headers like X.Authenticated.User or X.Forwarded.For that map to $_SERVER keys, spoofing user identity, client IP, or scheme.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-14T00:40:25.638091+00:00
- Epss score
- 0.00511
- Cvss severity
- HIGH
- Cvss score
- 7.4
- Retrieved at
- 2026-11-14T00:51:03+00:00
- Last source
- FIRST EPSS
- Score
- 7.4
- Cvss version
- 3.1
- Cve id
- CVE-2026-128023
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- First seen by Signal
- 2026-11-13T17:31:47+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Published at
- 2026-11-13T10:18:07.930
- Last modified
- 2026-11-13T10:18:08.043
- Epss percentile
- 0.44171
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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