# CVE-2026-27100: Jenkins has a build information disclosure vulnerability through Run Parameter

Source: https://junglewise.ai/threats/cve-2026-27100-jenkins-has-a-build-information-disclosure-vulnerability-through  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-18  
License: CC BY 4.0 with a link back

CVE-2026-27100 · Severity: low · CVSS 3.1 · Published 2026-02-18

Jenkins has a build information disclosure vulnerability through Run Parameter

Technologies: [org.jenkins-ci.main:jenkins-core (Maven)](https://junglewise.ai/threats/technologies/org-jenkins-ci-main-jenkins-core). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2026-27100 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-27100 being exploited in the wild.

**How severe is CVE-2026-27100?** Low severity, with a CVSS score of 3.1, published 18 February 2026.

**Which products and versions are affected?** org.jenkins-ci.main:jenkins-core (Maven) ECOSYSTEM:introduced=2.542,fixed=2.551.

**Is there a fix for CVE-2026-27100?** Yes. org.jenkins-ci.main:jenkins-core (Maven): upgrade to 2.551 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-27100?** Check whether you run org.jenkins-ci.main:jenkins-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.jenkins-ci.main:jenkins-core (Maven): upgrade to 2.551 or later

  ```sh
  # set org.jenkins-ci.main:jenkins-core to 2.551 in your pom.xml or build.gradle
  ```


## Affected products

- org.jenkins-ci.main:jenkins-core (Maven) ECOSYSTEM:introduced=2.542,fixed=2.551

## Identifiers

- CVE-2026-27100
- GHSA-wfhp-qgm8-5p5c

## Related threats

- [Jenkins plaintext secret storage in job config.xml submissions](https://junglewise.ai/threats/cve-2026-53442-jenkins-plaintext-secret-storage-in-job-config-xml-submissions)
- [Jenkins stored XSS in node offline cause description](https://junglewise.ai/threats/cve-2026-53441-jenkins-stored-xss-in-node-offline-cause-description)
- [Jenkins open redirect in Delegate to servlet container security realm](https://junglewise.ai/threats/cve-2026-53440-jenkins-open-redirect-in-delegate-to-servlet-container-security)
- [Jenkins missing permission checks in user profile endpoints](https://junglewise.ai/threats/cve-2026-53439-jenkins-missing-permission-checks-in-user-profile-endpoints)
- [Jenkins missing permission check in queue item cancellation](https://junglewise.ai/threats/cve-2026-53438-jenkins-missing-permission-check-in-queue-item-cancellation)