VulnSocial

CVE-2026-0756Disclosure

LOWCVSS 9.8 · CRITICAL

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

github-kanban-mcp-server execAsync Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of github-kanban-mcp-server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the create_issue parameter. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-27784.

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1.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-78

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-01-28: 1PoC Mentioned / Linked · 2026-01-28: 1Technical Details · 2026-01-28: 101-28
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • TheZDIBugs@TheZDIBugs
    Disclosure

    [ZDI-26-022|CVE-2026-0756] (0Day) github-kanban-mcp-server execAsync Command Injection Remote Code Execution Vulnerability (CVSS 9.8; Credit: Brandon Niemczyk & Peter Girnus (@gothburz) of Trend Zero Day Initiative) https://www.zerodayinitiative.com/advisories/ZDI-26-022/

    Post summary

    A newly discovered CVE-2026-0756 zero‑day RCE vulnerability in github-kanban-mcp-server is disclosed with a high CVSS score of 9.8; no patch or exploit tool is mentioned.

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