CVE Catalog

CVE-2026-19127

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

22th percentile - higher than 22% of all known CVEs

Summary

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.

Risk Assessment

The organization may suffer financial losses due to unauthorized activation of premium subscriptions and compromise of the licensing system integrity.

Recommendation

Strengthen cryptographic validation of promotional codes, implement server-side state verification, and monitor for unusual activation patterns.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS