VulnerabilityAnalyzed

CVE-2026-41920

Improper Access Control vulnerability in Apache Traffic Server.

HIGH 7.0EPSS 0.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 4.0: 7.0 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.31% probability · 24th percentile
CISA KEV: Not listed
Weakness: CWE-284
Affected: apache/traffic server
Source: security@apache.org

References

https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6dVendor Advisory, Mailing List

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.