Read the docs
TI-2025-38028 Aliases CVE-2025-61581GHSA-9m49-p2j3-c6xm

Apache Traffic Control: ReDoS issue in Traffic Router configuration

Priority MEDIUM 40CWE-1333Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-1333.

Summary

** UNSUPPORTED WHEN ASSIGNED ** Inefficient Regular Expression Complexity vulnerability in Apache Traffic Control. This issue affects Apache Traffic Control: all versions. People with access to the management interface of the Traffic Router component could specify malicious patterns and cause unavailability. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00736 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Traffic Controlall versions—No fix listedCNA
—github.com/apache/trafficcontrol/v8 (Go)up to 8.0.2—No fix listedGHSA-9m49-p2j3-c6xm
  • Apache Traffic Control VendorApache Affected all versions Fixed in — No fix listed CNA
  • github.com/apache/trafficcontrol/v8 (Go) Vendor— Affected up to 8.0.2 Fixed in — No fix listed GHSA-9m49-p2j3-c6xm

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:traffic_control:*:*:*:*:*:*:*:*up to 8.0.2VulnerableApache
  • cpe:2.3:a:apache:traffic_control:*:*:*:*:*:*:*:* Versions up to 8.0.2 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-61581
  2. 2026-10-03 Alias added: GHSA-9m49-p2j3-c6xm

References

  • TI-2024-30436 Apache Traffic Control: SQL Injection in Traffic Ops endpoint PUT deliveryservice_request_comments CVSS 3.1CRITICAL 9.9
  • TI-2021-19325 LDAP filter injection vulnerability in Traffic Ops CVSS 3.1CRITICAL 9.8
  • TI-2019-09251 Improper authentication in Apache Traffic Control CVSS 3.1CRITICAL 9.8
  • TI-2017-05306 Uncontrolled resource consumption in Apache Traffic Control CVSS 3.0HIGH 7.5
  • TI-2022-07358 Server-Side Request Forgery in Traffic Ops endpoint POST /user/login/oauth CVSS 3.1HIGH 7.5
  • TI-2020-13271 Incorrect permission assignment in Apache Traffic Control CVSS 3.1MEDIUM 5.8
See all 7 →

Sources