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MEDIUM severity

CVE-2025-26796 — oozie-core

MEDIUM

CVE-2025-26796 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in org.apache.oozie:oozie-core. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Apache Oozie Cross-Site Scripting (XSS)

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-26796.

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs45th percentile — riskier than 45% of all scored CVEsHighest risk
0.00%0.34%0.69%1.03%0.2%0.5%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.apache.oozie:oozie-core

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

** UNSUPPORTED WHEN ASSIGNED ** Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Oozie.

This issue affects Apache Oozie: all versions.

As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.

NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.oozie:oozie-coreall versionsNo fix

Affected Products

1 product · 1 configurations
Application
oozieapache
all

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.oozie:oozie-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of org.apache.oozie:oozie-core for CVE-2025-26796. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

** UNSUPPORTED WHEN ASSIGNED ** Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Oozie. This issue affects Apache Oozie: all versions. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
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CVE-2025-26796: oozie-core XSS (Medium 5.4)