CVE-2026-66756

criticalpriority · track · 39EPSS 0.007 · 55 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.75% (55th) EPSS

CVSS 9.8 · critical

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

Improper Protection of Alternate Path vulnerability in Apache Tika. This issue affects Apache Tika: from 4.0.0-alpha-1 before 4.0.0-beta-1. Users are recommended to upgrade to version 4.0.0-beta-1, which fixes the issue.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 2.7–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v4.06.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.06.9mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security@apache.org

v4.02.7lowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-424USprimary

affected products (5)

Products and version ranges known to be affected.

Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Apache Tika< 3.3.2cert_bundDE
Apache Tika< 4.0.0-beta-1cert_bundDE
Apache Software Foundation Apache Tika4.0.0-alpha-1 → 4.0.0-beta-1enisa_euvdEU
apache tika= 4.0.0nvdUScpe:2.3:a:apache:tika:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2608Apache Tika: Mehrere SchwachstellenDeutsch2026-07-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apache Tika ausnutzen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-07-30modified 2026-10-23

related (46)

Related entries.

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+41 more

references (3)

External citations — patches, advisories, analysis.

https://lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568 enisa_euvd
http://www.openwall.com/lists/oss-security/2026/07/30/24Mailing ListThird Party Advisorynvd
https://lists.apache.org/thread/ynjg5lxwhqpc83pczf5y5561o2l4o568Mailing ListVendor Advisorynvd

scry

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