CVE-2026-19127 Insufficient verification of lifetime-deal redemption codes allows forgery of permanent paid subscriptions
Attackers can forge redemption codes to obtain permanent paid subscriptions without payment, bypassing billing authorization in Postiz.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19127?
CVE-2026-19127 is a medium-severity vulnerability in GitroomHQ postiz-app, published on 6 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-345
Which versions are affected by CVE-2026-19127?
How do I fix CVE-2026-19127?
No fix has been published for CVE-2026-19127 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19127 being exploited?
There is no known exploitation of CVE-2026-19127 in the wild and no public exploit code.