CVE-2026-77651Disclosure

LOWCVSS 9.8 · CRITICAL

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

The arrayref crate 0.3.10 for Rust can trigger execution of malicious code when compiling a project that uses the crate, because it has a rogue dependency that registers with a command-and-control server to offer arbitrary code execution.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-506

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-08-21: 3Technical Details · 2026-08-21: 208-21
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets2 URLs
Full discourse3 posts
  • ADK Cyber@ADKCyber
    Disclosure

    CVE-2026-77651 (CVSS 9.8) hits arrayref 0.3.10 Rust crate via rogue dependency that can run malicious code at build time. Audit dependencies if you use Rust. via NVD Recent High CVSS #CyberSecurity #InfoSec #Vulnerability https://t.co/ZjMw7377eY

    Post summary

    The tweet announces a new high‑severity Rust crate vulnerability that enables malicious code execution at build time, encouraging users to audit dependencies.

    0000026
    93 followersView on X
  • CERT-PY@CERTpy
    General

    ⚠️ Vulnerabilidad en Componentes de Rust ❗ CVE-2026-77651 ➡️ Más info: https://www.cert.gov.py/vulnerabilidad-en-componentes-de-rust/ https://t.co/55paszty01

    Post summary

    The tweet announces a Rust component vulnerability identified as CVE-2026-77651 and links to a source for additional information, without providing specific technical details or action items.

    00000186
    6.7K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-77651 Rogue Dependency in Rust's arrayref Crate Enables Arbitrary Code Execution https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-77651

    Post summary

    CVE-2026-77651 is a newly disclosed vulnerability where a rogue dependency in Rust's arrayref crate permits arbitrary code execution, but no exploit code, patch, or active exploitation details are provided.

    0000096
    4.1K followersView on X

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