Status: UPDATED | Advisory ID: CVE-2026-58157
| CVE | CVE-2026-58157 |
| CVSS Score / Version | 8.7 (High) / CVSS v3.1 |
| Updated | 2026-10-01 |
| CVSS Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
| CVSS Prose | attack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is none. |
| Affected products | Apache Traffic Server and Apache Software Foundation Apache Traffic Server |
| Classified as | CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) |
| Vendor | Product | Affected Versions | Patch Status |
|---|---|---|---|
| Apache | Traffic Server | ||
| Apache Software Foundation | Apache Traffic Server |
| Subsystems | General OT |
| Sectors | Multiple |
Apache Traffic Server can reuse server sessions and tunnels improperly, exposing data across client connections.
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. (NVD)
Monitor Apache's and Apache Software Foundation's web pages for any future patch releases. See vendor advisory link below.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-58157 |
| CVE | https://www.cve.org/CVERecord?id=CVE-2026-58157 |
| Vendor advisory | https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d |