PT-2026-29506 · Joomla+2 · Joomla! Cms+1

Thành Nguyễn + 1 · CVE-2026-23899 · Published 2026-04-01 · Updated 2026-06-07

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions versions prior to 2026-23899

Description An improper access check allows unauthorized access to webservice endpoints.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

BIT-JOOMLA-2026-23899

CVE-2026-23899

Affected Products

Joomla! Cms

Joomla!

References · 15

• https://developer.joomla.org/security-centre/1032-20260306-core-improper-access-check-in-webservice-endpoints.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23899 · Security Note
• https://osv.dev/vulnerability/BIT-joomla-2026-23899 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-23899 · Vendor Advisory
• https://twitter.com/CVEnew/status/2039279623675277333 · Twitter Post
• https://twitter.com/Anastasis_King/status/2057691177562894619 · Twitter Post
• https://twitter.com/Anastasis_King/status/2041901635018928582 · Twitter Post
• https://twitter.com/CyStackSecurity/status/2043662223600705896 · Twitter Post
• https://twitter.com/lyrie_ai/status/2063512313643053522 · Twitter Post
• https://twitter.com/lyrie_ai/status/2063512312728752254 · Twitter Post
• https://t.me/brutsecurity/2629 · Telegram Post
• https://twitter.com/CyStackSecurity/status/2043647600998662501 · Twitter Post
• https://twitter.com/UndercodeUpdate/status/2042315422897225869 · Twitter Post
• https://twitter.com/the_yellow_fall/status/2039722019336429853 · Twitter Post
• https://twitter.com/HunterMapping/status/2039987448608936186 · Twitter Post