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Traffic Server CVE-2025-31698

| EUVD-2025-18750 HIGH
Improper Access Control (CWE-284)
2025-06-19 security@apache.org
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 15, 2026 - 00:08 euvd
EUVD-2025-18750
Analysis Generated
Mar 15, 2026 - 00:08 vuln.today
CVE Published
Jun 19, 2025 - 10:15 nvd
HIGH 7.5

DescriptionNVD

ACL configured in ip_allow.config or remap.config does not use IP addresses that are provided by PROXY protocol.

Users can use a new setting (proxy.config.acl.subjects) to choose which IP addresses to use for the ACL if Apache Traffic Server is configured to accept PROXY protocol. This issue affects undefined: from 10.0.0 through 10.0.6, from 9.0.0 through 9.2.10.

Users are recommended to upgrade to version 9.2.11 or 10.0.6, which fixes the issue.

AnalysisAI

CVE-2025-31698 is a security vulnerability (CVSS 7.5). High severity vulnerability requiring prompt remediation.

Technical ContextAI

CWE-284 (Improper Access Control). CVSS 7.5 indicates high severity.

RemediationAI

Monitor vendor channels for patch availability.

Vendor StatusVendor

Ubuntu

Priority: Medium
trafficserver
Release Status Version
xenial needs-triage -
bionic needs-triage -
focal needs-triage -
oracular ignored end of life, was needs-triage
plucky ignored end of life, was needs-triage
jammy needed -
noble needed -
upstream released 9.2.11
questing needed -

Debian

Bug #1108044
trafficserver
Release Status Fixed Version Urgency
bullseye vulnerable 8.1.10+ds-1~deb11u1 -
bullseye (security) vulnerable 8.1.11+ds-0+deb11u2 -
bookworm, bookworm (security) fixed 9.2.5+ds-0+deb12u3 -
sid vulnerable 9.2.5+ds-1 -
bookworm fixed 9.2.5+ds-0+deb12u3 -
(unstable) fixed (unfixed) -

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CVE-2025-31698 vulnerability details – vuln.today

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