8.8

CVE-2026-59260: openwrt luci Improper Privilege Management

CVSS: 8.8v3.1HighDeferred
Published 12-07-2026Last modified 30-09-2026
Open JSON

Vulnerability summary

CVE-2026-59260 is a high (CVSS 8.8) Improper Privilege Management vulnerability in openwrt luci. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.2% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.88%
0%100%
Low · +0.19 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-07-2026
    PublishedVulnerability first disclosed.
  2. 30-09-2026
    Last modifiedVulnerability information updated.

Description

OpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authenticated delegated users to execute the Samba daemon with caller-controlled command-line arguments. Attackers can pass arbitrary Samba global options such as message command to a root smbd process, triggering command execution when SMB protocol messages are processed.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.88%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

+0.19 pp

From 0.68% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Openwrt1 product
  • luci< 24.10.8 | ≥ 25.12.0, < 25.12.5

1 vendor · 1 product

References

2 links