CVE-2026-19127

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductGitroomhq Postiz-app

PublishedAug 6, 2026

First seenAug 6, 2026

Weakness typeCWE-345CWE-345

How to fix

Update

GitroomHQ postiz-app2.21.10 or later

Patches

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

Vendor advisories

Affected products

Product	Affected versions	Fixed in
GitroomHQ postiz-app	v < 2.21.10	2.21.10

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.