CVE-2026-54432

MEDIUMPre-NVD 4.74.7—
EchelonGraph scoreHIGH confidence

Score 4.7 from GitHub Security Advisory published 2026-07-14. the CNA's CVSS baseline 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:mitre, ghsa
Trending — 4 sources updated this week
4.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.7Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.

CVSS v3
4.7
EG Score
4.7(high)
EPSS
10.7%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 15, 2026

References (1)

Vendor Advisories for CVE-2026-54432(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 15:39 UTCEG score recompute
  4. 2026-07-15 15:39 UTCGHSA enrichment
  5. 2026-07-14 16:40 UTCEG score recompute
  6. 2026-07-14 16:40 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-54432?
CVE-2026-54432 is a medium vulnerability published on July 14, 2026. Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
When was CVE-2026-54432 disclosed?
CVE-2026-54432 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54432 actively exploited?
CVE-2026-54432 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-54432?
CVE-2026-54432 has a CVSS v3 base score of 4.7 (NVD).
How do I remediate CVE-2026-54432?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54432, 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

Explore the affected products and dependency analysis for CVE-2026-54432

Explore →

Is Your Infrastructure Affected by CVE-2026-54432?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs