# CVE-2026-77130

## Summary

- **CVE ID:** CVE-2026-77130
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-613
- **Published:** Aug 25, 2026
- **Last Modified:** Aug 25, 2026

## Description

The extension fails to properly validate the expiration of a client-supplied JWT token, allowing an attacker in control of a valid API key to authenticate with an expired token. Exploitation requires the attacker to already be in control of the SYSSY project's API key.

## Affected Products

- TYPO3 — Extension "SYSSY - TYPO3 Monitoring & Security Checks" (0)

## References

- [CNA](https://typo3.org/security/advisory/typo3-ext-sa-2026-015)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.21%
- **EPSS Percentile:** 10.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._