VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 8.2 highEPSS 0.4% probability of exploitation in 30 daysFound by AI: Anthropic (Claude)
Joomla

CVE-2026-48896: Joomla! Core - [20260511] - MFA Authentication Bypass

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?
0.4%

EPSS score, percentile 30.5 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
8.2 High

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (1)

Which versions are affected?

Affected

  • 4.0.0-5.4.5
  • 6.0.0-6.1.0

Versions by product

Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

What to do

Advisories and patches

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

As listed in the CVE record.

Joomla! Project Joomla! CMS
StatusVersions
Affected4.0.0-5.4.5
Affected6.0.0-6.1.0

Versions not listed are: unaffected.

Source: CVE List, as of . About the data.

About this vulnerability

Insufficient state checks lead to a vector that allows to bypass 2FA checks.

Summary: CVE record, as of .

  • CISA has not added CVE-2026-48896 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
  • The CVE record was published on 26 May 2026.
  • The CVE record carries a CVSS v4.0 base score of 8.2 (High), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.4% (percentile 30.5), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
  • CISA's SSVC assessment in the CVE record: exploitation none, automatable no, technical impact partial.
  • The credits in the CVE record name Anthropic (Claude) as finder.

Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.

Description

Joomla! Core - [20260511] - MFA Authentication Bypass

Insufficient state checks lead to a vector that allows to bypass 2FA checks.

Source: CVE List, as of . About the data.

Weakness

CWE-287, 1 CAPEC

Attack patterns (CAPEC)

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

Known exploited Joomla vulnerabilities

  • CVE-2023-23752: Joomla! Improper Access Control Vulnerability (added )