[NEW] [medium] Apache Tika: Multiple vulnerabilities

mediumCVE-2026-66755 CVE-2026-66756

An attacker can exploit multiple vulnerabilities in Apache Tika to disclose information and bypass security measures.

CSIRTS triage

vendor: Apache product: Tika Information disclosure Authentication bypass

What: Multiple vulnerabilities in Apache Tika allow information disclosure and security control bypass.
Who is affected: Deployments of Apache Tika are affected.
Urgency: Medium severity; not currently exploited but information disclosure poses confidentiality risk.
Action: Apply vendor security patches for CVE-2026-66755 and CVE-2026-66756 when available.

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: 2026-07-31
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-2026-2608

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-2026-667550.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-667560.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-66755	coverage & exploitation status	NVD · CVE.org
CVE-2026-66756	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Apache Tika

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.

unknownCVE-2026-66756: Improper Protection of Alternate Path vulnerability in Apache Tika. This issue affects Apache …nvd · 2026-07-30
unknownCVE-2026-66755: Relative Path Traversal in the ISA-Tab parser in Apache Software Foundation Apache Tika from 1…nvd · 2026-07-30