Answer in brief
CVE-2026-77130 records a Unknown severity vulnerability in Insufficient Session Expiration in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy). The current sources do not mark it as known exploited. The current feed maps TYPO3/Extension "SYSSY - TYPO3 Monitoring & Security Checks" (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps TYPO3/Extension "SYSSY - TYPO3 Monitoring & Security Checks" (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| TYPO3/Extension "SYSSY - TYPO3 Monitoring & Security Checks"generic | >=0 <3.0.6 | 3.0.6 |
Published upstream
Aug 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 25, 2026
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.
Quoted source text, attributed separately from HOL analysis.