CVE-2025-61581

highpriority · track · 0EPSS 0.007 · 54 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.74% (54th) EPSS

CVSS 7.5 · high

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

** 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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1333USCWE-1333US

affected products (5)

Products and version ranges known to be affected.

Apache Software Foundation Apache Traffic Control0 → *enisa_euvdEU
apache traffic control≤ 8.0.2nvdUScpe:2.3:a:apache:traffic_control:*:*:*:*:*:*:*:*
Go github.com/apache/trafficcontrolall versionsosvUSpkg:golang/github.com/apache/trafficcontrol
Go github.com/apache/trafficcontrol/v8≤ 8.0.2osvUSpkg:golang/github.com/apache/trafficcontrol/v8
Go github.com/apache/trafficcontrol/v8all versionsosvUSpkg:golang/github.com/apache/trafficcontrol/v8

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-9m49-p2j3-c6xmApache Traffic Control has an Inefficient Regular Expression Complexity vulnerability2025-10-16ghsa · osvUS
*** 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, it is not planned 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.
GO-2025-4033Apache Traffic Control has an Inefficient Regular Expression Complexity vulnerability in github.com/apache/trafficcontrol2025-10-30vendor · osvUS
Apache Traffic Control has an Inefficient Regular Expression Complexity vulnerability in github.com/apache/trafficcontrol

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2025-10-16modified 2026-10-23

references (4)

External citations — patches, advisories, analysis.

scry

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