CVE-2026-86834

LOWCVSS 3.7 · 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

NVD description

The MetForm WordPress plugin before 4.3.1 does not properly restrict access to a debug file it writes to the web root on every form submission when its HubSpot Forms integration is enabled, allowing unauthenticated attackers to read upstream API response data, including correlation identifiers and cookies.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-200

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 · 2026-10-04: 110-04
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew

    CVE-2026-86834 The MetForm WordPress plugin before 4.3.1 does not properly restrict access to a debug file it writes to the web root on every form submission when its HubSpot Forms… https://www.cve.org/CVERecord?id=CVE-2026-86834

    00000401
    58.1K followersView on X

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