CVE-2026-16631Disclosure

LOWCVSS 1.9 · LOW

Exploit discussion active in current signal (2 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

A vulnerability was detected in publint up to 0.1.4. This impacts the function child_process.exec of the file src/node/pack.js of the component package-manager Command Handler. The manipulation results in os command injection. Attacking locally is a requirement. The exploit is now public and may be used. The patch is identified as adf2d9a09945fc98c85a2520a89f441d78b2dbd8. It is advisable to implement a patch to correct this issue. The project maintainer explains: "I think it's very rare for someone to use this package with untrusted input".

1.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-77CWE-78

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

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

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-07-23: 2PoC Mentioned / Linked · 2026-07-23: 1Technical Details · 2026-07-23: 107-23
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • MalwareObserver@MalwareObserver
    Disclosure

    🐛 VULNERABILITIES CVE Notify: 🚨 [CVE-2026-16631](https://github.com/publint/publint/) A vulnerability was detected in publint up ... https://github.com/publint/publint/ #Vulnerability #CVE #ZeroDay

    Post summary

    The tweet informs readers that CVE-2026-16631 has been detected in publint, providing a GitHub link but no further exploit, patch, or technical details.

    0000042
    13 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-16631 OS Command Injection in publint Up to 0.1.4 Package-Manager Command Handler https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-16631

    Post summary

    The statement identifies CVE-2026-16631 as an OS command injection flaw affecting publint up to version 0.1.4, providing basic technical details without mention of exploits, patches, or active usage.

    00000118
    4.1K followersView on X

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