MEDIUMCVSS v3.1 4.8Vulnerability
CVE-2026-125371
Tinyproxy through 1.11.3 contains an access control bypass vulnerability in acl_string_processing() in src/acl.c that compares only trailing hostname characters without checking DNS label boundaries. Attackers controlling the PTR record for their source IP, such as untrusted.net, can satisfy an 'Allow trusted.net' entry to use the proxy despite deny-by-default ACLs.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Epss score
- 0.00279
- Cvss score
- 4.8
- Cvss severity
- MEDIUM
- Retrieved at
- 2026-11-10T23:35:17+00:00
- Score
- 4.8
- Last source
- FIRST EPSS
- Cvss version
- 3.1
- Cve id
- CVE-2026-125371
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- First seen by Signal
- 2026-11-10T03:20:43+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Published at
- 2026-11-10T00:17:09.420
- Last modified
- 2026-11-10T19:21:11.987
- Epss percentile
- 0.20596
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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