Vulnerability in Gitroomhq Postiz-App
CVE-2026-19127
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Gitroomhq Postiz-App — versions 0
Weakness classification (CWE)
References
- 4cdc9741-f887-419a-a2fd-acbbd2729276 (related, vendor-advisory)
- 4cdc9741-f887-419a-a2fd-acbbd2729276 (related, patch)
- 4cdc9741-f887-419a-a2fd-acbbd2729276 (release-notes, related)
Frequently asked questions
- What is CVE-2026-19127?
- CVE-2026-19127 is a medium-severity vulnerability in Gitroomhq Postiz-App, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.5/10. Published 2026-08-06.
- How severe is CVE-2026-19127?
- Medium severity. CVSS v3 base score is 6.5 out of 10.