HighVulnerability

CVE-2026-84779: Agentimus AI SEO, llms.txt & MCP for AI Agents broken access control

Source: NVD(opens in a new tab)
Identifier: CVE-2026-84779
Published: September 3, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.4%

Summary

CVE-2026-84779 is a Subscriber Broken Access Control flaw in Agentimus – AI SEO, llms.txt & MCP for AI Agents, affecting versions up to and including 1.51.0. The source text provides no further detail on how the flaw is reached or what an attacker gains.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 8.1(high)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector: network
Attack complexity: low
Privileges required: low
User interaction: none
EPSS: 0.4%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.
Disclosure date: September 3, 2026

Weaknesses and techniques

Weakness (CWE): CWE-862
Attack pattern (CAPEC): CAPEC-122

Classification

Attack sophistication: Moderate
AI component targeted: Plugin
Impact: Confidentiality,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-84779

First tracked: September 3, 2026 at 02:09 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 85% (self-assessed)

Summary

Mitigation

Topics