CVE-2026-53439

Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers with Overall/Read permission to determine other users' configured timezone and to enumerate view names of other users' "My Views".

Published: 2026-06-10 Last update: 2026-06-11 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-53439 is rated Low Risk (28.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.12%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-53439

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-12 0.03% 0.12% +0.10%
2 2026-06-11 — 0.03% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-53439

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 1.4 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2026-53439

GitHub Security Advisory for CVE-2026-53439

GHSA-g28p-6mcc-v4rv · Severity: medium — Missing permission checks in Jenkins 2.567 and earlier, LTS 2.555.2 and earlier allow attackers...

OS Trackers for CVE-2026-53439

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2026-53439

Affected software / configurations for CVE-2026-53439

Vendor Product Version Raw CPE
jenkins jenkins < 2.555.3 cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
jenkins jenkins < 2.568 cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*

References for CVE-2026-53439

cvelogic Threat Intelligence