🛡️ CVE-2022-43410 — mercurial

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-200 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Webhook endpoint discloses job names to unauthorized users in Jenkins Mercurial Plugin

Mercurial Plugin provides a webhook endpoint at /mercurial/notifyCommit that can be used to notify Jenkins of changes to an SCM repository. This endpoint receives a repository URL, and Jenkins will schedule polling for all jobs configured with the specified repository. It can be accessed with GET requests and without authentication.

In Mercurial Plugin 1251.va_b_121f184902 and earlier, the output of the webhook endpoint will provide information about which jobs were triggered or scheduled for polling, including jobs the user has no permission to access. This allows attackers with knowledge of Mercurial repository URLs to obtain information about the existence of jobs configured with this Mercurial repository.

Mercurial Plugin 1260.vdfb_723cdcc81 does not provide the names of jobs for which polling is triggered unless the user has the appropriate Item/Read permission.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

Weakness class

CVE-2022-43410 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2022-43410 is recorded against 2 packages.

  • mercurial (fixed in 1251.va_b_121f184902)
  • org.jenkins-ci.plugins:mercurial (fixed in 1260.vdfb_723cdcc81)

Timeline and source

Published on 19 October 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.openwall.com
www.jenkins.io
www.openwall.com
www.jenkins.io

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source NVD
Published 2022-10-19
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
mercurial — 1251.va_b_121f184902
org.jenkins-ci.plugins:mercurial — 1260.vdfb_723cdcc81

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