CVE-2026-103754

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 52/100
Published: 2026-10-01 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network No Interaction Integ. Impact

CVSS Vector Breakdown

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

Description

A flaw was found in ansible-runner. The unstream_dir() function, which receives and extracts a streamed zip archive on the worker side of the ansible-runner transmit/worker protocol, re-creates symbolic links from archive content without validating the link target and applies chmod() and utime() to an unsanitized filesystem path derived from the archive member name. A crafted archive processed by a worker that consumes attacker-influenced input can create files, create symbolic links, or change permissions outside the intended target directory, which can be leveraged toward code execution.

Bug Bounty Relevance

52 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

5.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L

EPSS — Exploitation Probability

0.34%
Raw Score 0.003360
Percentile 27.4%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00336
2026-11-13
0.00336
2026-11-12
0.00336
2026-11-10
0.00336
2026-11-09
0.00336
2026-11-08
0.00336
2026-11-07
0.00336
2026-11-06
0.00336
2026-11-05
0.00336

Intelligence Sources

mitre ref →