CVE-2026-97152

HIGH
8.6
CVSS Score
Published: September 24, 2026 at 03:17 AM UTC
Updated: September 24, 2026 at 09:17 PM UTC
1 product affected across 1 vendorNanomsg

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Severity
HIGH8.6
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.5.0 ≤ v < 1.2.30.5.0
Affected range stops below 1.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHmitre
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-122

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