CVE-2026-41920CWE-284broken-access-control

CVE-2026-41920

Critical · published July 29, 2026

CVSS v3.1
9.3
EPSS
1%
Percentile
44.1
In the wild
Unconfirmed
What it is

Improper Access Control vulnerability in Apache Traffic Server.

This issue affects Apache Traffic Server: from 9.0.0 through 9.1.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.1.15 or 10.1.4, which fixes the issue.

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00532 · 44.1th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-07-29T12:16Z
Affected products (2)
ProductVersionsFixed in
apache/traffic_server≥ 9.0.0, < 9.2.159.2.15
apache/traffic_server≥ 10.0.0, < 10.1.410.1.4
References (1)
https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d · [email protected]
EPSS history
Timeline
  • 29 JUL 07:18Z
    Apache Traffic Server: SNI to Host header matching policy is not properly enforced
    cvelistv5