CVE-2026-117617

HIGH
MEDIUM Priority: 0.04 BB Relevance: 66/100
Published: 2026-10-28 Modified: 2026-11-02 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: High
A: High

Description

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier checks for symbolic links in the path of an extracted file only before creating its parent directories, not immediately before writing it, and allows symbolic links in artifacts to replace existing files or empty directories, allowing attackers with Item/Configure permission to write files to arbitrary locations on the Jenkins controller file system.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
jenkins jenkins < 2.580.2
jenkins jenkins < 2.588

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS — Exploitation Probability

0.48%
Raw Score 0.004770
Percentile 41.3%
Date 2026-11-03

EPSS Trend

2026-11-03
0.00477
2026-11-02
0.00191
2026-11-01
0.00191
2026-10-31
0.00191
2026-10-30
0.00191
2026-10-29
0.00191

Intelligence Sources

mitre ref →
nvd ref →