CVE-2026-54432

MEDIUMPre-NVD 4.74.7—
EchelonGraph scoreMEDIUM confidence

Score 4.7 from GitHub Security Advisory published 2026-07-14. a secondary CVSS source baseline 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.7Exploit: None knownExposed: 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(medium)
EG Risk
21(Track)
EG Risk 21/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity47% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 15, 2026

Advisory Details (1)

Auto-updated Jul 16, 2026
No patch confirmed yet.
generic

Security updates 1.6.17 and 1.7.2 released

https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2

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.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
roundcube1.4.11+dfsg.1-4 ... 1.4.15+dfsg.1-1~deb11u2~bpo10+1 (18 versions)1.4.15+dfsg.1-1+deb11u10—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
roundcube1.6.1+dfsg-1 ... 1.6.5+dfsg-1~deb12u1 (17 versions)1.6.5+dfsg-1+deb12u10—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
roundcube1.6.11+dfsg-1 ... 1.6.16+dfsg-1 (10 versions)1.6.17+dfsg-0+deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
roundcube1.6.11+dfsg-1 ... 1.6.16+dfsg-1 (6 versions)1.6.17+dfsg-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 76× 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.

Showing the most recent 100 of 110 total refreshes for this CVE.

  1. 2026-08-30 05:19 UTCEG score recompute
  2. 2026-08-30 05:19 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-27 22:35 UTCEG score recompute
  6. 2026-08-27 22:35 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 23:36 UTCEG score recompute
  9. 2026-08-26 23:36 UTCGHSA enrichment
  10. 2026-08-26 14:46 UTCEPSS rescore
  11. 2026-08-25 19:12 UTCGHSA enrichment
  12. 2026-08-24 19:49 UTCEG score recompute
  13. 2026-08-24 19:49 UTCGHSA enrichment
  14. 2026-08-23 20:32 UTCEG score recompute
  15. 2026-08-23 20:32 UTCGHSA enrichment
  16. 2026-08-23 00:19 UTCEPSS rescore
  17. 2026-08-22 21:32 UTCEG score recompute
  18. 2026-08-22 21:32 UTCGHSA enrichment
  19. 2026-08-21 23:49 UTCEPSS rescore
  20. 2026-08-21 22:31 UTCGHSA enrichment
  21. 2026-08-20 23:31 UTCEG score recompute
  22. 2026-08-20 23:31 UTCGHSA enrichment
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-20 00:32 UTCEG score recompute
  25. 2026-08-20 00:32 UTCGHSA enrichment
Show 75 more
  1. 2026-08-19 17:04 UTCEPSS rescore
  2. 2026-08-18 20:04 UTCEG score recompute
  3. 2026-08-18 20:04 UTCGHSA enrichment
  4. 2026-08-18 13:48 UTCEPSS rescore
  5. 2026-08-17 13:47 UTCEPSS rescore
  6. 2026-08-17 13:20 UTCEG score recompute
  7. 2026-08-17 13:20 UTCGHSA enrichment
  8. 2026-08-16 14:56 UTCEPSS rescore
  9. 2026-08-16 14:21 UTCEG score recompute
  10. 2026-08-16 14:21 UTCGHSA enrichment
  11. 2026-08-16 02:14 UTCEPSS rescore
  12. 2026-08-15 15:22 UTCEG score recompute
  13. 2026-08-15 15:22 UTCGHSA enrichment
  14. 2026-08-15 01:30 UTCEPSS rescore
  15. 2026-08-14 16:22 UTCEG score recompute
  16. 2026-08-14 16:22 UTCGHSA enrichment
  17. 2026-08-13 22:00 UTCEPSS rescore
  18. 2026-08-13 17:22 UTCGHSA enrichment
  19. 2026-08-12 18:21 UTCEG score recompute
  20. 2026-08-12 18:21 UTCGHSA enrichment
  21. 2026-08-12 13:51 UTCEPSS rescore
  22. 2026-08-11 19:19 UTCEG score recompute
  23. 2026-08-11 19:19 UTCGHSA enrichment
  24. 2026-08-11 00:00 UTCEPSS rescore
  25. 2026-08-10 20:19 UTCGHSA enrichment
  26. 2026-08-09 21:19 UTCEG score recompute
  27. 2026-08-09 21:19 UTCGHSA enrichment
  28. 2026-08-09 13:46 UTCEPSS rescore
  29. 2026-08-08 22:20 UTCEG score recompute
  30. 2026-08-08 22:20 UTCGHSA enrichment
  31. 2026-08-08 16:37 UTCEPSS rescore
  32. 2026-08-07 23:20 UTCEG score recompute
  33. 2026-08-07 23:20 UTCGHSA enrichment
  34. 2026-08-07 00:20 UTCEG score recompute
  35. 2026-08-07 00:20 UTCGHSA enrichment
  36. 2026-08-06 13:47 UTCEPSS rescore
  37. 2026-08-06 01:21 UTCEG score recompute
  38. 2026-08-06 01:21 UTCGHSA enrichment
  39. 2026-08-05 19:17 UTCEPSS rescore
  40. 2026-08-05 02:21 UTCEG score recompute
  41. 2026-08-05 02:21 UTCGHSA enrichment
  42. 2026-08-04 15:10 UTCEPSS rescore
  43. 2026-08-04 10:39 UTCEPSS rescore
  44. 2026-08-04 03:14 UTCGHSA enrichment
  45. 2026-08-03 04:15 UTCGHSA enrichment
  46. 2026-08-02 05:15 UTCEG score recompute
  47. 2026-08-02 05:15 UTCGHSA enrichment
  48. 2026-08-02 02:27 UTCEPSS rescore
  49. 2026-08-01 06:15 UTCEG score recompute
  50. 2026-08-01 06:15 UTCGHSA enrichment
  51. 2026-08-01 04:16 UTCEPSS rescore
  52. 2026-07-31 07:13 UTCEG score recompute
  53. 2026-07-31 07:13 UTCGHSA enrichment
  54. 2026-07-30 16:28 UTCEPSS rescore
  55. 2026-07-30 08:12 UTCEG score recompute
  56. 2026-07-30 08:12 UTCGHSA enrichment
  57. 2026-07-30 01:30 UTCEPSS rescore
  58. 2026-07-29 08:45 UTCEG score recompute
  59. 2026-07-29 08:45 UTCGHSA enrichment
  60. 2026-07-28 15:37 UTCEPSS rescore
  61. 2026-07-28 09:46 UTCEG score recompute
  62. 2026-07-28 09:45 UTCGHSA enrichment
  63. 2026-07-27 10:45 UTCEG score recompute
  64. 2026-07-27 10:44 UTCGHSA enrichment
  65. 2026-07-26 14:54 UTCEPSS rescore
  66. 2026-07-26 11:45 UTCEG score recompute
  67. 2026-07-26 11:45 UTCGHSA enrichment
  68. 2026-07-25 14:18 UTCEPSS rescore
  69. 2026-07-24 14:18 UTCEPSS rescore
  70. 2026-07-23 14:18 UTCEPSS rescore
  71. 2026-07-23 03:19 UTCEG score recompute
  72. 2026-07-22 14:08 UTCEPSS rescore
  73. 2026-07-21 15:25 UTCEPSS rescore
  74. 2026-07-20 17:08 UTCEPSS rescore
  75. 2026-07-19 14:31 UTCEPSS rescore

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 0% probability of exploitation in the next 30 days, which ranks it in the top 89.3% of all scored CVEs.
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.

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