CVE-2026-49102

MEDIUMNVD 6.16.1—Trending — 3 sources updated this week

6.1

Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed in the mailboxes component, because image/svg+xml is used instead of a safe type (e.g., text/plain).

CVSS v3: 6.1
EG Score: 6.1(high)
EPSS: 8.8%
KEV: Not listed

Published

May 27, 2026

Last Modified

May 27, 2026

References (2)

Vendor Advisories for CVE-2026-49102(1)

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

GHSA-2rpj-3356-c2rw
GitHub Security AdvisoriesMedium
Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed...

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 10× in last 7d / 10× 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
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 15:35 UTCEG score recompute
2026-05-27 15:35 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-49102?

CVE-2026-49102 is a medium vulnerability published on May 27, 2026. Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed in the mailboxes component, because image/svg+xml is used instead of a safe type (e.g., text/plain).

When was CVE-2026-49102 disclosed?

CVE-2026-49102 was first published in the National Vulnerability Database 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-2026-49102 actively exploited?

CVE-2026-49102 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-49102?

CVE-2026-49102 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2026-49102?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49102, 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-2026-49102

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CVE-2026-49102

📅 Published

🔄 Last Modified

🔗 References (2)

📣 Vendor Advisories for CVE-2026-49102(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)