[UPDATE] [high] Froxlor: Multiple Vulnerabilities

highCVE-2026-52793 CVE-2023-3173 CVE-2026-41235 CVE-2026-41236 CVE-2026-41237

An attacker can exploit multiple vulnerabilities in Froxlor to elevate privileges, disclose information, manipulate files, and bypass security measures.

CSIRTS triage

vendor: Froxlor product: Froxlor Privilege escalation Information disclosure Path traversal Authentication bypass

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.

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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-2026-527930.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% 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 30% 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

CVE	CSIRTS overview	External
CVE-2026-52793	coverage & exploitation status	NVD · CVE.org
CVE-2023-3173	coverage & exploitation status	NVD · CVE.org
CVE-2026-41235	coverage & exploitation status	NVD · CVE.org
CVE-2026-41236	coverage & exploitation status	NVD · CVE.org
CVE-2026-41237	coverage & exploitation status	NVD · CVE.org

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

Recent advisories for Froxlor

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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