Dashboard / CVE-2026-39822

CVE-2026-39822

HIGH
MEDIUM Priority: 0.02 BB Relevance: 41/100
Published: 2026-07-08 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

On Unix systems, opening a file in an os.Root improperly follows symlinks to locations outside of the Root when the final path component of the a path is a symbolic link and the path ends in /. For example, 'root.Open("symlink/")' will open "symlink" even when "symlink" is a symbolic link pointing outside of the root.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
golang go 1.24.0 – 1.25.12
golang go 1.27

References & Advisories (4)

https://go.dev/issue/79005
Issue Tracking Patch

Bug Bounty Relevance

41 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.23%
Raw Score 0.002320
Percentile 14.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00232
2026-10-28
0.00232

Intelligence Sources

nvd ref →

External Links