VulnSocial

CVE-2026-12665

LOWCVSS 8.1 · HIGH

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 MQ could allow a remote attacker to execute arbitrary code due to a stack buffer overflow when processing TLS certificates with malformed distinguished names during channel connection establishment.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-121

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 (2026-10-19); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-10-19: 1Mentions · 2026-10-20: 110-1910-20
Full discourse2 posts
  • ThreatCluster.io@threatcluster

    31 new leak-site listings overnight, qilin busiest with 9. 33 new validated IOCs. CVE-2026-112377: TLS Relay Vulnerability Disclosed Stolen UpdraftCentral Keys Compromise Over 100 WordPress Sites CVE-2026-12665: IBM MQ Vulnerability Allows Remote Code Execution

    1000037
    609 followersView on X
  • VulDB 🛡@vuldb

    ⚠️ We have just added an important vulnerability affecting IBM MQ (CVE-2026-12665) vuldb.​com/vuln/422455 https://t.co/YrlsVDHZCc

    0000095
    2.3K followersView on X

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