CVE-2026-55652

criticalCVSS 9.8covered by 1 sourcefirst seen 2026-07-15

Wekan is open source kanban built with Meteor. Prior to 9.46, header-login with HEADER_LOGIN_TRUSTED_IPS uses getRequestIp() in server/lib/headerLoginAuth.js to trust the client-supplied X-Forwarded-For header before the real socket address, allowing an unauthenticated attacker to send HEADER_LOGIN_ID for any username and receive a meteor_login_token session, including for admin. This issue is fixed in version 9.46.

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Exploitation outlook

Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-55652: Wekan is open source kanban built with Meteor. Prior to 9.46, header-login with HEADER_LOGIN_T…nvd · 2026-07-15

External references

NVD record for CVE-2026-55652

CVE.org record

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