CVE-2026-58157: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache Traffic Server
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 8.1.9, 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.
AI Analysis
Technical Summary
CVE-2026-58157 is a vulnerability in Apache Traffic Server that allows improper reuse of server sessions and tunnels, resulting in exposure of sensitive information to unauthorized actors across client connections. 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 vulnerability has a CVSS 3.1 base score of 8.7, indicating high severity with network attack vector, high complexity, no privileges required, no user interaction, and impacts confidentiality and integrity with scope change. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
Successful exploitation of this vulnerability can lead to unauthorized disclosure of sensitive information across client connections due to improper session and tunnel reuse. This compromises confidentiality and integrity of data handled by Apache Traffic Server. There is no indication of availability impact or known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this vulnerability. Patch status is confirmed by the vendor's advisory recommending these versions. No other mitigations or temporary fixes are indicated.
CVE-2026-58157: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor in Apache Software Foundation Apache Traffic Server
Description
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 8.1.9, 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.
CVSS v3.1
Score 8.7high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58157 is a vulnerability in Apache Traffic Server that allows improper reuse of server sessions and tunnels, resulting in exposure of sensitive information to unauthorized actors across client connections. 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 vulnerability has a CVSS 3.1 base score of 8.7, indicating high severity with network attack vector, high complexity, no privileges required, no user interaction, and impacts confidentiality and integrity with scope change. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4 to remediate the issue.
Potential Impact
Successful exploitation of this vulnerability can lead to unauthorized disclosure of sensitive information across client connections due to improper session and tunnel reuse. This compromises confidentiality and integrity of data handled by Apache Traffic Server. There is no indication of availability impact or known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this vulnerability. Patch status is confirmed by the vendor's advisory recommending these versions. No other mitigations or temporary fixes are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:47:23.719Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a69c9f29c2644c7f8487e3e
Added to database: 07/29/2026, 09:37:54 UTC
Last enriched: 07/29/2026, 10:26:31 UTC
Last updated: 07/30/2026, 01:19:17 UTC
Views: 11
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