VulnSocial

CVE-2026-6721

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 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

IBM Concert 1.0.0 through 3.0.0 allows an unauthenticated remote attacker can supply specially crafted input that is incorporated into OS commands, resulting in arbitrary command execution on the underlying system. Successful exploitation allows remote code execution with the privileges of the affected application.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-78

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Peaked 1d ago at 1 mentions (2026-09-23); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-09-23: 1Mentions · 2026-09-24: 109-2309-24
Referenced assets2 URLs
Full discourse2 posts
  • ThreatAft@ThreatAft

    🔐 IBM Concert Trio CVE-2026-6928/6730/6721: CVSS 9.8 Use-After-Free, Buffer Overflow & OS Command Injection — Patch to 3.0.1.1 Now 🔗 https://threataft.com/articles/cve-2026-6928-cve-2026-6730-cve-2026-6721-ibm-concert-critical-vulnerabilities?utm_source=twitter&utm_medium=social&utm_campaign=share #CyberSecurity #ThreatIntel https://t.co/7IJvu5HxAv

    0000035
    43 followersView on X
  • VulDB 🛡@vuldb

    A severe vulnerability was disclosed for IBM Concert (CVE-2026-6721) https://vuldb.com/vuln/409233

    0000094
    2.3K followersView on X

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