Postiz: Unauthenticated arbitrary lifetime PRO grant via Nowpayments webhook (gitroomhq postiz-app)

CVE-2026-48799
HIGH 7.7

En bref

Source
NVD
EPSS
EPSS 0.22 % · centile 12 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
GitHub_M
Statut NVD
Deferred

Description

Postiz is an AI social media scheduling tool. Prior to 2.21.8, Postiz fails to verify Nowpayments IPN callback authenticity against the payment provider shared secret and reads the target subscription identifier from the untrusted request body, allowing a low-privileged account to grant arbitrary organizations lifetime PRO subscriptions without payment. This issue is fixed in version 2.21.8.

Faiblesses (CWE)

  • CWE-345 — Vérification insuffisante de l'authenticité des données
  • CWE-639 — Contournement d'autorisation par clé contrôlée par l'utilisateur (IDOR)

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.7CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:NGitHub_M
CVSS 3.1HIGH 7.7CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:NNVD · security-advisories@github.com (Secondary)

Références européennes

Produits affectés

ProduitVersions
gitroomhq · postiz-appaffected < 2.21.8

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD