Moderate severityNVD Advisory· Published Feb 20, 2021· Updated Feb 13, 2025
Apache Livy (Incubating) is vulnerable to cross site scripting
CVE-2021-26544
Description
Livy server version 0.7.0-incubating (only) is vulnerable to a cross site scripting issue in the session name. A malicious user could use this flaw to access logs and results of other users' sessions and run jobs with their privileges. This issue is fixed in Livy 0.7.1-incubating.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.apache.livy:livy-serverMaven | >= 0.7.0-incubating, < 0.7.1-incubating | 0.7.1-incubating |
Affected products
2- Apache Software Foundation/Apache Livy (Incubating)v5Range: Apache Livy (Incubating) 0.7.0-incubating
Patches
Vulnerability mechanics
Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
6- github.com/advisories/GHSA-74qp-233x-p5j8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-26544ghsaADVISORY
- www.openwall.com/lists/oss-security/2021/02/20/1ghsamailing-listx_refsource_MLISTWEB
- github.com/apache/incubator-livy/commit/4d8a912699683b973eee76d4e91447d769a0cb0dghsax_refsource_MISCWEB
- github.com/apache/incubator-livy/commit/9f1ba47a2f0d8accc435b133b42c3a76aa9ac846ghsaWEB
- lists.apache.org/thread.html/r2db14e7fd1e5ec2519e8828d43529bad623d75698cc7918af3a3f3ed%40%3Cuser.livy.apache.org%3Eghsax_refsource_MISCWEB
News mentions
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