CVE-2026-21627

NONECVSS 0.0

0.0

The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 5.2%
KEV: Not listed

Published

February 20, 2026

Last Modified

April 15, 2026

References (1)

security@joomlahttps://tassos.gr

Data Freshness Timeline

(refreshed 18× in last 7d / 20× 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.

2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
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2026-05-29 13:44 UTCepss_batch
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2026-05-28 13:44 UTCepss_batch
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2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
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2026-05-26 13:44 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch
2026-05-20 22:38 UTCepss_batch

Frequently asked(4)

What is CVE-2026-21627?

CVE-2026-21627 is a none vulnerability published on February 20, 2026. The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.

When was CVE-2026-21627 disclosed?

CVE-2026-21627 was first published in the National Vulnerability Database on February 20, 2026, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-21627 actively exploited?

CVE-2026-21627 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2026-21627?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21627, 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

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CVE-2026-21627

📅 Published

🔄 Last Modified

🔗 References (1)