CRITICALCVSS 9.2KNOWN EXPLOITED

CVE-2026-86060

CVE-2026-86060 updated by NVD

Published: 2026-09-05
Modified: 2026-09-21
Sources: cisa-kev, euvd, nvd

Summary

RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Long-term), 7.23.4 (Long-term) and 7.24.2 (Stable)

References

https://nvd.nist.gov/vuln/detail/CVE-2026-86060

Includes data from the CISA Known Exploited Vulnerabilities catalog.

Includes data from the ENISA EU Vulnerability Database (EUVD).

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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