[UPDATE] [high] Froxlor: Multiple Vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities allow privilege escalation, information disclosure, file manipulation, and security measure bypass.

Who is affected

Deployments of Froxlor running affected versions.

Urgency

High priority; vulnerabilities enable privilege escalation and information disclosure, requiring immediate patching.

Action

Update Froxlor to a version that resolves CVE-2026-52793, CVE-2023-3173, CVE-2026-41235, CVE-2026-41236, and CVE-2026-41237.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-08-19

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1737

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-527930.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all EPSS-scored CVEs.
• Moderate exploitation riskCVE-2023-31731.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 64% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-412350.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-412360.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-412370.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• highCVE-2026-52793: Froxlor is open source server administration software. Prior to 2.3.7, the API authentication …nvd

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