CVE-2026-55652
Auth bypass via X-Forwarded-For allows attacker to obtain admin session tokens.
Is CVE-2026-55652 being exploited?
Not confirmed. CVE-2026-55652 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 0.62% probability of exploitation in the next 30 days.
How severe is CVE-2026-55652?
CVE-2026-55652 is rated Critical with a CVSS score of 9.8. 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-2026-55652?
Yes. A fix has been recorded for CVE-2026-55652. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-55652 affect?
CVE-2026-55652 affects Wekan < 9.46, Self-hosted Wekan instances, Meteor-based Wekan with HEADER_LOGIN_TRUSTED_IPS. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-55652?
Upgrade to Wekan 9.46+ or disable HEADER_LOGIN_TRUSTED_IPS; validate proxy X-Forwarded-For handling.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Client-supplied X-Forwarded-For trusted by server lets remote attacker obtain meteor_login_token for any user, including admins, enabling full account takeover and privileged actions.
Immediate action required
- affected< 9.46
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.