CVE-2026-61641
OIDC email-claim acceptance allows admin account takeover
Is CVE-2026-61641 being exploited?
Not confirmed. CVE-2026-61641 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-61641?
CVE-2026-61641 is rated High. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-61641?
Yes. A fix has been recorded for CVE-2026-61641. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-61641 affect?
CVE-2026-61641 affects Wallos >=4.0.0 and <4.9.6, Self-hosted Wallos instances using OIDC IdPs. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-61641?
Upgrade to Wallos v4.9.6 and require IdP email_verified; restrict IdP open registrations
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can impersonate any user (including admin) via OIDC if IdP accepts unverified emails, leading to full account takeover.
Immediate action required
- affected>= 4.0.0 and < 4.9.6
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.