VulnSocial

CVE-2026-86818

LOW

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

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0.0/ 10 priority

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 · 2026-09-15: 109-15
Referenced assets1 URL
By indicator
Full discourse1 post
  • Ulises Gascón@kom_256

    🚨 Medium-severity security fix in fast-uri@4.1.5 just released! Patches CVE-2026-86818: fast-uri vulnerable to mailto header injection via percent-encoded field-name desynchronization https://github.com/fastify/fast-uri/security/advisories/GHSA-jvvf-x445-j334

    0000037
    5.5K followersView on X

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