Medium 6.5Published Aug 6, 2026

CVE-2026-19127Insufficient verification of lifetime-deal redemption codes allows forgery of permanent paid subscriptions

Updated under an hour ago (2026-10-19 09:10 UTC)

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It affects GitroomHQ postiz-app. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-345
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: postiz
NVD analysis: Deferred
Record last updated: Aug 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

GitroomHQ postiz-app gitroomhq:postiz_app (from the name)	before 2.21.10	CNA record

References

https://github.com/gitroomhq/postiz-app/commit/387d85dabe0223cd930714c19072a0aee58541capatch
https://github.com/gitroomhq/postiz-app/releases/tag/v2.21.10release-notes
https://gadvisory.org/advisories/PSA-2026-NWZN9Jvendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.