CVE-2026-19127

Published: Aug 6, 2026Modified: Sep 9, 2026Deferred

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: 4cdc9741-f887-419a-a2fd-acbbd2729276 (Secondary)

Description

An issue in the billing and license activation subsystem allows remote attackers to bypass payment authorization workflows. By exploiting insufficient cryptographic validation or lack of server-side state verification on promotional/lifetime-deal (LTD) redemption codes, an unauthenticated attacker can forge valid redemption tokens or replay existing single-use codes to activate permanent, tier-highest paid subscriptions without a financial transaction.

Related CWEs

CWE-345

Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

References (3)

https://gadvisory.org/advisories/PSA-2026-NWZN9J

Source: 4cdc9741-f887-419a-a2fd-acbbd2729276

https://github.com/gitroomhq/postiz-app/commit/387d85dabe0223cd930714c19072a0aee58541ca

Source: 4cdc9741-f887-419a-a2fd-acbbd2729276

https://github.com/gitroomhq/postiz-app/releases/tag/v2.21.10

Source: 4cdc9741-f887-419a-a2fd-acbbd2729276

Timeline

No history available yet.