CVE-2026-90907

LOWCVSS 6.9 · 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

Joomla! Core - [20260902] - Core - Unauthorized user account creation via profile.save controller in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The profile.save controller did not check the login state of a user, allowing the creation of guest-level users on sites without active user registration.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-639

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 · 2026-10-02: 110-02
Referenced assets1 URL
By indicator
Full discourse1 post
  • Ryx@PadhiyarRushi

    Joomla core creates a guest account with registration turned off. CVE-2026-90907 (CVSS 6.9): "profile(.)save" never checks login state. 1.5.0–5.4.8 and 6.0.0–6.1.3. Sites with public registration disabled still get guest users. Fixed 25 Sep in 5.4.9 and 6.1.4! https://github.com/aorozco-sys/CVE-2026-90907 #Cybersecurity #AI #AISecurity #MCP #Claude #GPT #Infosec #Trending #Joomla #AuthBypass #AppSec

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