Apache Livy Cross-site scripting (XSS) in session names
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.livy:livy-server | >= 0.7.0-incubating, < 0.7.1-incubating | 0.7.1-incubating |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-26544
- https://github.com/apache/incubator-livy/commit/4d8a912699683b973eee76d4e91447d769a0cb0d
- https://github.com/apache/incubator-livy/commit/9f1ba47a2f0d8accc435b133b42c3a76aa9ac846
- https://lists.apache.org/thread.html/r2db14e7fd1e5ec2519e8828d43529bad623d75698cc7918af3a3f3ed%40%3Cuser.livy.apache.org%3E
- http://www.openwall.com/lists/oss-security/2021/02/20/1
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.apache.livy:livy-server- Disclosed
- 13.05.2021
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-74qp-233x-p5j8 - CC BY 4.0
Vulnerability history: org.apache.livy:livy-server
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 05.2021 03.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 3
Disclosures per year
- 2021: 1
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 2
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Apache Livy Cross-site scripting (XSS) in session names this entry
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