CVE-2026-31881

CRITICAL 9.8CVE-2026-31881 · Published 11/03/2026 · updated 17/06/2026

In short

CVE-2026-31881 is a CRITICAL (CVSS 9.8) vulnerability affecting runtipi (runtipi).
Chance of exploitation in the next 30 days (EPSS): 0.46%, higher than 39.7% of all vulnerabilities.
Fix: update to 4.8.0 or later.

Package	Affected versions	Patched versions
runtipi runtipi	`< 4.8.0`	`4.8.0`

Description

Runtipi is a personal homeserver orchestrator. Prior to 4.8.0, an unauthenticated attacker can reset the operator (admin) password when a password-reset request is active, resulting in full account takeover. The endpoint POST /api/auth/reset-password is exposed without authentication/authorization checks. During the 15-minute reset window, any remote user can set a new operator password and log in as admin. This vulnerability is fixed in 4.8.0.

References

runtipi/runtipi security advisory · Exploit

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