VulnSocial

CVE-2026-59260Disclosure

LOWCVSS 8.7 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD 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.

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1.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-269

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • General: 1 classified signal
  • Peaked 1d ago at 3 mentions (2026-07-12); latest day: 1
  • 4 total mentions across 2 days

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-07-12: 3Mentions · 2026-07-16: 1PoC Mentioned / Linked · 2026-07-16: 1Technical Details · 2026-07-12: 2Technical Details · 2026-07-16: 107-1207-16
Signal classification2 categories
Disclosure
375.0%
General
125.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-07-123
Disclosure2General1
2026-07-161
Disclosure1
Full discourse4 posts
  • ThreatAft@ThreatAft
    Disclosure

    🚨 OpenWrt/LuCI 3-CVE Cluster — RCE + XSS in Router Management UI CVE-2026-59260 (8.8) — Samba4 ACL → root RCE CVE-2026-61875 (8.8) — UPnP stored XSS CVE-2026-61876 (8.8) — DHCPv6 hostname stored XSS → http://threataft.com/articles/openwrt-luci-cve-cluster-rce-xss #CyberSecurity #ThreatIntel #OpenWrt #IoTsecurity

    Post summary

    The post announces a cluster of CVEs in OpenWrt/LuCI, highlighting root RCE and XSS vulnerabilities with associated CVSS scores and providing a link for further detail.

    0000072
    34 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-59260 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-control… https://www.cve.org/CVERecord?id=CVE-2026-59260 ----- Traducción: CVE-2026-59260 Ope… http://infoflow.cloud`

    Post summary

    The notice discloses CVE‑2026‑59260, detailing a mis‑implemented ACL in OpenWrt luci‑app‑samba4 that allows authenticated users to execute smbd. No PoC, exploit, patch, or active exploitation information is provided.

    0000071
    92 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-59260 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-control… https://www.cve.org/CVERecord?id=CVE-2026-59260

    Post summary

    The post describes how authenticated users can execute the Samba daemon via an ACL bug, but does not mention a PoC, exploit tool, patch, or active exploitation.

    00000826
    57.8K followersView on X
  • VulDB 🛡@vuldb
    Disclosure

    The severity is increased for this new vulnerability affecting OpenWrt (CVE-2026-59260) https://vuldb.com/vuln/377869

    Post summary

    The post reports that the severity of CVE‑2026‑59260, which affects OpenWrt, has been increased, and provides a link to the vulnerability details.

    00000152
    2.3K followersView on X

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