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CVE-2021-26544

Apache Livy (Incubating) is vulnerable to cross site scripting

MEDIUM
5.4
CVSS Score
Published: February 20, 2021 at 09:00 AM UTC
Updated: June 17, 2026 at 03:43 AM UTC
1 product affected across 1 vendorLivy

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Severity
MEDIUM5.4
Exploit prediction
EPSS 3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (3)

Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/02/20/1
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/apache/incubator-livy/commit/4d8a912699683b973eee76d4e91447d769a0cb0d
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://lists.apache.org/thread.html/r2db14e7fd1e5ec2519e8828d43529bad623d75698cc7918af3a3f3ed%40%3Cuser.livy.apache.org%3E

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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