CVE-2026-58163CWE-502insecure-deserialization

CVE-2026-58163

High · published July 29, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
52.6
In the wild
Unconfirmed
What it is

Apache Traffic Server mishandles on-disk cache fields and object lifetimes, corrupting state or crashing.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00699 · 52.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-07-29T14:16Z
Affected products (3)
ProductVersionsFixed in
apache/traffic_server≥ 8.0.0, ≤ 8.1.9—
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 08:36Z
    Apache Traffic Server: Cache deserialization and lifetime errors can corrupt state or crash the server
    cvelistv5