CVE-2025-66518

highpriority · track · 35EPSS 0.010 · 62 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.00% (62nd) EPSS

CVSS 8.8 · high

Is it mine?

4 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config. This issue affects Apache Kyuubi: from 1.6.0 through 1.10.2. Users are recommended to upgrade to version 1.10.3 or upper, which fixes the issue.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.3highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU

v4.08.8highCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:Lsecondary · ENISA EU

v4.08.8highCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/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

v4.05.8mediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/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.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22USCWE-27USCWE-27USCWE-27US

affected products (4)

Products and version ranges known to be affected.

Apache Software Foundation Apache Kyuubi≤ 1.6.0 ≤1.10.2enisa_euvdEU
Apache Software Foundation Kyuubi1.6.0 → 1.10.2fstec_bduRU
apache kyuubi1.6.0 → 1.10.3nvdUScpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*
Maven org.apache.kyuubi:kyuubi-server_2.121.6.0 → 1.10.3osvUSpkg:maven/org.apache.kyuubi/kyuubi-server_2.12

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-f8r6-6222-9pvcApache Kyuubi Server vulnerable to Path Traversal2026-01-05ghsa · osvUS
Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config. This issue affects Apache Kyuubi: from 1.6.0 through 1.10.2. Users are recommended to upgrade to version 1.10.3 or upper, which fixes the issue.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2026-01-05modified 2026-06-17

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+12508 more

references (7)

External citations — patches, advisories, analysis.

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