🛡️ CVE-2026-58183 — traffic-server

🟡 CVSS 5.9 — Medium ✅ No Known Exploit CWE-20 NVD
5.9
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

The Apache Traffic Server prefetch plugin can crash when processing attacker-influenced input.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, 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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-58183 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2026-58183 is recorded against 1 package.

  • traffic-server (from 10.0.0 up to 10.1.4)

Timeline and source

Published on 29 July 2026 and last revised on 31 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

lists.apache.org

Details

Severity MEDIUM
CVSS Score 5.9
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2026-07-29
Updated 2026-08-11
Modified 2026-07-31
Fix URL N/A

Affected Packages

Software From version Fixed in
traffic-server 10.0.0 10.1.4

References

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