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Postiz

Security incidents tagged Postiz. Newest first.

1 Postiz incident in the last 12 months

Critical 4 · High 3 · Med 2 · Low 1 · Update ½LessMore
Incidents
1
Live
1
Patched
1
Days without an incident
0
Longest quiet run: 0 days
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  • Patched

    Postiz: forged signed tokens and post-media path traversal let any registered user take over orgs and read server files (CVE-2026-115933, CVE-2026-115932)

    Two critical bugs in the self-hosted Postiz social media scheduler, both reported with working PoCs by Anthropic. Postiz signed session, invite and password-reset tokens with one shared secret and no purpose marker, and an extension-refresh route signed request data, so any registered user could forge tokens and become super admin of another organization (CVE-2026-115933, CVSS 9.9). A separate path traversal in post media let a registered user have the worker send any server file, including the JWT secret and env file, to their own Discord server (CVE-2026-115932, CVSS 9.6). Both are fixed in Postiz 2.25.3; self-registration is open by default, so upgrade now.

    Postiz (gitroomhq/postiz-app), self-hostedSince Oct 24, 2026

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