VulnSocial

CVE-2026-95210

LOWCVSS 9.1 · 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

Improper certificate validation in gnutls v3.8.13 causes the application to accept certificates containing invalid extensions.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-295

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-09: 110-09
Full discourse1 post
  • Upwind Security MDR@UpwindMDR

    🚨Critical - GnuTLS Invalid X.509 Extension Acceptance via Improper Cert Validation (CVE-2026-95210) GnuTLS 3.8.13 performs improper certificate validation when parsing X.509 extensions, allowing certificates with invalid extensions to be accepted as trusted. A network attacker can exploit this during TLS handshake to bypass expected certificate checks and enable MITM/downgrade of trust decisions. 👉Affected: gnutls 3.8.13

    0000043
    315 followersView on X

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