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CVE-2026-77650

Quick assessment

Affected
droundy append-only-vec
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Rust 中的 append-only-vec 0.1.9 版本存在安全漏洞。在编译使用该 crate 的项目时，会触发恶意代码的执行。这是因为该 crate 包含一个非法依赖项，该依赖项会向命令与控制（C&C）服务器注册，从而提供任意代码执行能力。

CVSS 9.8 · Critical EPSS 0.43% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
droundy append-only-vec 0.1.9 affected
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I. Basic Information for CVE-2026-77650

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The append-only-vec crate 0.1.9 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内嵌的恶意代码
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
droundy append-only-vec 0.1.9 -

II. Public POCs for CVE-2026-77650

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6660 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-77650

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Vendor Advisories for CVE-2026-77650 (1)

Security Blog Posts for CVE-2026-77650 (1)

News Coverage for CVE-2026-77650 (1)

Same Patch Batch · droundy · 2026-08-21 · 3 CVEs total

CVE-2026-77651 9.8 CRITICAL arrayref 0.3.10 依赖注入致Rust项目代码执行
CVE-2026-77649 9.8 CRITICAL Internment crate 0.8.7 Rust远程代码执行漏洞

IV. Related Vulnerabilities

Same vendor: droundy
Same weakness: CWE-506

V. Comments for CVE-2026-77650

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