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Vulnerability IntelligenceCVE-2026-58157

CVE-2026-58157

HIGH8.7

Apache Traffic Server: Improper server-session reuse can expose data across client connections

Published Jul 29, 2026

Modified 2 weeks ago

Details

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.

References

ADVISORY

https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-58157

CVSS Analysis

CVSS v4.0

6.9

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

PresentAT:P

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

NoneVC:N

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

LowSC:L

Subseq. Integrity

HighSI:H

Subseq. Availability

NoneSA:N

6.9/CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:H/SA:N

Weakness Type (CWE)

Information Disclosure

CWE-200

Information Exposure

Ecosystems

Timeline

PublishedJul 29, 2026

ModifiedJul 30, 2026

CVE-2026-58157 | Mondoo Vulnerability Intelligence