CVE-2026-58157: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache Traffic Server
Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3 have a vulnerability where server sessions and tunnels can be improperly reused, leading to exposure of sensitive information across client connections. This issue is addressed in versions 9.2.15 and 10.1.4.
AI Analysis
Technical Summary
CVE-2026-58157 is a vulnerability in Apache Traffic Server that allows exposure of sensitive information due to improper reuse of server sessions and tunnels across different client connections. This can result in unauthorized actors accessing confidential data. The affected versions include 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The issue is fixed in versions 9.2.15 and 10.1.4.
Potential Impact
The vulnerability allows unauthorized exposure of sensitive information across client connections, potentially compromising confidentiality. The CVSS v3.1 score is 8.7 (High), indicating a significant impact on confidentiality and integrity without availability impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to versions 9.2.15 or 10.1.4 or later to remediate this vulnerability. Patch status is confirmed by the vendor advisory recommending these versions as fixes.
CVE-2026-58157: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache Traffic Server
Description
Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3 have a vulnerability where server sessions and tunnels can be improperly reused, leading to exposure of sensitive information across client connections. This issue is addressed in versions 9.2.15 and 10.1.4.
CVSS v3.1
Score 8.7high
Affected software
Apache Software Foundation
Apache Traffic Server
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58157 is a vulnerability in Apache Traffic Server that allows exposure of sensitive information due to improper reuse of server sessions and tunnels across different client connections. This can result in unauthorized actors accessing confidential data. The affected versions include 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The issue is fixed in versions 9.2.15 and 10.1.4.
Potential Impact
The vulnerability allows unauthorized exposure of sensitive information across client connections, potentially compromising confidentiality. The CVSS v3.1 score is 8.7 (High), indicating a significant impact on confidentiality and integrity without availability impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to versions 9.2.15 or 10.1.4 or later to remediate this vulnerability. Patch status is confirmed by the vendor advisory recommending these versions as fixes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:47:23.719Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69c9f29c2644c7f8487e3e
Added to database: 07/29/2026, 09:37:54 UTC
Last enriched: 08/05/2026, 14:47:59 UTC
Last updated: 09/12/2026, 22:01:35 UTC
Views: 48
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