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Fencer Intel
high 7.5

CVE-2026-48901 json

Joomla! Core - [20260517] - Incorrect Cache Key Construction for InputFilter objects

published 5mo ago modified 2mo ago also BIT-joomla-2026-48901 , EUVD-2026-31871

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

The InputFilter::getInstance() method omitted a security sensitive parameter from the instance cache key.

Patch / fix

  • bitnami joomla 5.4.6, 6.1.1
  • joomla joomla! 5.4.6, 6.1.1

Is CVE-2026-48901 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
5mo ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami joomla
>=4.0.0, <5.4.6
>=6.0.0, <6.1.1
5.4.6
6.1.1

Affected products

  • Joomla! Project Joomla! CMS

Classification

Weakness
  • CWE-524 Use of Cache Containing Sensitive Information

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.