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CVE-2026-40168

HIGH

8.2

Description

Postiz is an AI social media scheduling tool. Prior to 2.21.5, the /api/public/stream endpoint is vulnerable to SSRF. Although the application validates the initially supplied URL and blocks direct private/internal hosts, it does not re-validate the final destination after HTTP redirects. As a result, an attacker can supply a public HTTPS URL that passes validation and then redirects the server-side request to an internal resource.

Details CVE

Score CVSS v3.18.2

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/10/2026

Derniere modification4/14/2026

Sourcenvd

Observations honeypot0

Produits affectes

gitroom:postiz

Faiblesses (CWE)

CWE-918

References

https://github.com/gitroomhq/postiz-app/commit/30e8b777098157362769226d1b46d83ad616cb06(security-advisories@github.com)

https://github.com/gitroomhq/postiz-app/releases/tag/v2.21.5(security-advisories@github.com)

https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-34w8-5j2v-h6ww(security-advisories@github.com)

https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-34w8-5j2v-h6ww(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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