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[NEW] [medium] TYPO3 Core: Vulnerability allows bypassing security measures

mediumCVE-2026-15305
A remote, anonymous attacker can exploit a vulnerability in TYPO3 Core to bypass security measures.

CSIRTS triage

What
A vulnerability allows a remote attacker to bypass security measures.
Who is affected
Deployments of TYPO3 Core are affected.
Urgency
Remediation is medium urgency as exploitation is possible but not currently observed.
Action
Update to the latest version of TYPO3 Core.

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
medium
Published
2026-07-15
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-2026-2337

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-15305coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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