CVE-2026-81421Disclosure

LOWCVSS 5.5 · MEDIUM

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

A security flaw has been discovered in ddfourtwo sentry-selfhosted-mcp 0.4.0. The affected element is an unknown function of the component raw_sentry_api. The manipulation of the argument endpoint results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-918

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-27: 1Technical Details · 2026-08-27: 108-27
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-81421 Server-Side Request Forgery in ddfourtwo sentry-selfhosted-mcp 0.4.0 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-81421

    Post summary

    A Server‑Side Request Forgery vulnerability (CVE‑2026‑81421) affecting ddfourtwo sentry‑selfhosted‑mcp 0.4.0 is disclosed, with a link to details but no exploit, patch, or active exploitation information.

    00000137
    4.1K followersView on X

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