F5 security advisory (AV26-949) - Update 1
Cybersecurity Classified by Officially
Serial number: AV26-949
Date: September 22, 2026
As of September 22, 2026, F5 is affected by a vulnerability in the following product:
- BIG-IP APM
- Versions 21.1.0 prior to Hotfix-BIGIP-21.1.0.2.0.30.22-ENG
- Versions 17.5.0 prior to Hotfix-BIGIP-17.5.1.9.0.160.12-ENG
- Versions 17.1.0 prior to Hotfix-BIGIP-17.1.3.5.0.41.14-ENG
F5 has reported that CVE-2026-94127 is being exploited in the wild.
Update 1
On September 22, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-94127 to their Known Exploited Vulnerabilities (KEV) Database.
The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.
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- Organization
- Canadian Centre for Cyber Security — imported from official source
- Official source
- https://www.cyber.gc.ca/api/cccs/rss/v1/get?feed=alerts_advisories&lang=en ATOM
- Imported
- September 22, 2026 16:00
- Versions
- 3 recorded
- Identity
https://cyber.gc.ca/en/alerts-advisories/f5-security-advisory-av26-949