CVE-2026-48898
CVE-2026-48898 is a critical-severity vulnerability in Joomla Joomla! with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 8.2
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31873
- Weakness: CWE-284
- Affected product: Joomla Joomla!
- Published:
- Last modified:
Description
An improper access check allows privilege escalation through the com_users batch task.
Frequently asked questions
- What is CVE-2026-48898?
- An improper access check allows privilege escalation through the com_users batch task.
- How severe is CVE-2026-48898?
- CVE-2026-48898 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-48898 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-48898?
- CVE-2026-48898 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-48898?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-48898 have an EU (EUVD) identifier?
- Yes. CVE-2026-48898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31873.
- When was CVE-2026-48898 published?
- CVE-2026-48898 was published on 2026-05-26 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
More vulnerabilities in Joomla Joomla!
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- CVE-2026-35222 — Critical (CVSS 9.8): Improperly validated order clauses lead to a SQL injection vulnerability in com_tags.
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