CVE-2026-23898
CVE-2026-23898 is a high-severity vulnerability in Joomla Joomla! with a CVSS 3.x base score of 7.2. 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-73.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-17861
- Weakness: CWE-73
- Affected product: Joomla Joomla!
- Published:
- Last modified:
Description
Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.
Frequently asked questions
- What is CVE-2026-23898?
- Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.
- How severe is CVE-2026-23898?
- CVE-2026-23898 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-23898 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-23898?
- CVE-2026-23898 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-23898?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-23898 have an EU (EUVD) identifier?
- Yes. CVE-2026-23898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17861.
- When was CVE-2026-23898 published?
- CVE-2026-23898 was published on 2026-04-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
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