CVE-2026-19127: Gitroomhq Postiz-App

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Gitroomhq Postiz-App: before 2.21.10 (fixed in 2.21.10)

Published 2026-08-06. Last modified 2026-09-09.