VulnSocial

CVE-2026-40556Disclosure

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

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0.5/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-04-28); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-28: 1Mentions · 2026-04-30: 1Patch / Workaround · 2026-04-30: 1Technical Details · 2026-04-30: 104-2804-30
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Misbar | مسبار@MisbarSec
    Disclosure

    📌 ثغرة في برنامج GNU nano تسمح بتنفيذ أوامر غير مصرح بها تم اكتشاف ثغرة أمنية في برنامج GNU nano، وهو محرر نصوص شائع الاستخدام. تسمح هذه الثغرة، التي تم تعريفها بـ CVE-2026-40556، بتنفيذ أوامر غير مصرح بها بسبب خطأ في التحكم في الأذونات. تؤثر هذه الثغرة على الإصدارات من 2.9.1 إلى ما دون 9.0 من البرنامج. يُنصح مستخدمي الإصدارات المتضررة بتحديث برنامج nano إلى الإصدار 9.0 أو أحدث لتجنب الاستغلال. 🔗 للمزيد: https://cert.pl/en/posts/2026/04/CVE-2026-40556/

    Post summary

    The post announces CVE-2026-40556, a permission‑control flaw in GNU nano that allows execution of unauthorized commands, and advises users to upgrade to version 9.0 or later.

    00030373
    267 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-40556 Insecure Directory Permissions in GNU Nano XDG Data Storage Creation https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-40556

    Post summary

    The post is a straightforward Vulmon disclosure of CVE‑2026‑40556, noting insecure directory permissions in GNU Nano’s XDG data storage creation, with no further exploitation or patch information.

    0000042
    4.0K followersView on X

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