CVE-2026-48899

MEDIUMPre-NVD 5.39.8▲Trending — 3 sources updated this week

5.3

An improper access check allows privilege escalation through the com_users batch task.

CVSS v3: 5.3
EG Score: 9.8(medium)
EPSS: 0.0%
KEV: Not listed

Published

May 26, 2026

Last Modified

May 27, 2026

Advisory Details (1)

Auto-updated May 26, 2026

No patch confirmed yet.

generic

[20260515] - Core - Incorrect Access Control in sample data plugins

https://developer.joomla.org/security-centre/1047-20260515-core-incorrect-access-control-in-sample-data-plugins.html

Vendor Advisories for CVE-2026-48899(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-rfwr-f8vm-98cv
GitHub Security AdvisoriesMedium
An improper access check allows privilege escalation through the com_users batch task.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-284Improper Access Control

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-01 02:04 UTCEG score recompute▲ 4.50
2026-06-01 02:04 UTCGHSA enrichment
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 17:02 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-48899?

CVE-2026-48899 is a medium vulnerability published on May 26, 2026. An improper access check allows privilege escalation through the com_users batch task.

When was CVE-2026-48899 disclosed?

CVE-2026-48899 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-48899 actively exploited?

CVE-2026-48899 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-48899?

CVE-2026-48899 has a CVSS v3 base score of 5.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2026-48899?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48899, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-48899

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Is Your Infrastructure Affected by CVE-2026-48899?

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CVE-2026-48899

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

[20260515] - Core - Incorrect Access Control in sample data plugins

📣 Vendor Advisories for CVE-2026-48899(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)