Vulnerability · Published May 26, 2026 · Assigned by Joomla
CVE-2026-48902Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links
Critical 9.8
In plain English
A critical-severity security flaw in Joomla! CMS from Joomla! Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.3%top 83.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't explicitly set.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Joomla! Project | Joomla! CMS | 3.9.0-5.4.56.0.0-6.1.0 |
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H