CVE-2026-19127
MEDIUMInsufficient verification of lifetime-deal redemption codes allows forgery of permanent paid subscriptions
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Related patch
387d85d
https://github.com/gitroomhq/postiz-app/commit/387d85dabe0223cd930714c19072a0aee58541ca
Scores
CVSS v3
6.5
EPSS
0.0029
EPSS Percentile
20.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-345
Status
published
Products (1)
GitroomHQ/postiz-app
< 2.21.10
Published
Aug 06, 2026
Tracked Since
Aug 07, 2026