CVE-2026-62641

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 61% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 20, 2026

Advisory Details (5)

Auto-updated Jul 20, 2026
Patch available. Sources: github_commit, github_release.
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
github_release Patch Available

Roundcube Webmail 1.7.2

Patch available: roundcube/roundcubemail 1.7.2

https://github.com/roundcube/roundcubemail/releases/tag/1.7.2
github_release Patch Available

Roundcube Webmail 1.6.17

Patch available: roundcube/roundcubemail 1.6.17

https://github.com/roundcube/roundcubemail/releases/tag/1.6.17
github_commit

commit bf253c72d429 (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit bf253c72d429 — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/bf253c72d4293c93fda511b8464fe9cb34b522c1
github_commit

commit 6d1004fd3764 (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 6d1004fd3764 — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/6d1004fd3764a9606c53130b322c0f295c38be64

Vendor Advisories for CVE-2026-62641(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 17× in last 7d / 78× 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 117 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-62641?
CVE-2026-62641 is a medium vulnerability published on July 14, 2026. In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
When was CVE-2026-62641 disclosed?
CVE-2026-62641 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-62641 actively exploited?
CVE-2026-62641 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 61.5% of all scored CVEs.
What is the CVSS score of CVE-2026-62641?
CVE-2026-62641 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-62641?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-62641, 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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