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Critical 9.9Published Oct 24, 2026

CVE-2026-115933Forged signed tokens let any registered user take over other users and organizations

Updated under an hour ago ()

Does this affect you?

It affects GitroomHQ postiz-app. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Postiz signs its session, invitation and password reset tokens with one shared secret and without any marker of what a token is for. A route that refreshes the credentials of a browser-extension channel signed data taken from the request itself and stored the result where the requesting user can read it back. A user could therefore obtain a validly signed token containing any claims they choose, which the application accepts as a session, as an organization invitation with a chosen role, as a password reset or as an enterprise provisioning token. A second, narrower route that creates team invitations signs extra fields from the request body in the same way.

CVSS
9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-290, CWE-345, CWE-915
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
postiz
NVD analysis
Deferred
Record last updated
Oct 24, 2026
First seen by InfoSec Signals
Oct 24, 2026

Affected products

Affected products
GitroomHQ postiz-app
gitroomhq:postiz_app (from the name)
from 2.15.0 before 2.25.3
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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