CVE-2026-48926: job import Privilege Escalation — Fix

Description

Jenkins Job Import Plugin 143.v044a_2e819b_27 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-269 CWE-269

Affected Products

Vendor	Product	Versions
jenkins	job_import	< 122.v35289550f1e6
jenkins	job_import	All

References

Advisories & Patches

https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3783

Frequently Asked Questions

What is CVE-2026-48926? +

Jenkins Job Import Plugin 143.v044a_2e819b_27 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-48926? +

CVE-2026-48926 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0018, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-48926? +

CVE-2026-48926 affects products from jenkins, specifically: job_import. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-48926? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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