CVE-2026-48845

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-05-26. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 24, 2026

Advisory Details (5)

Auto-updated Jun 14, 2026
Patch available. Sources: github_release, github_commit.
github_commit

commit 7b52353653a6 (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 7b52353653a6 — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/7b52353653a67e6073b97d70eb94047132b78556
github_release Patch Available

Roundcube Webmail 1.6.16

Patch available: roundcube/roundcubemail 1.6.16

https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
github_commit

commit d82b8c6cd06c (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit d82b8c6cd06c — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/d82b8c6cd06c378eca6d647ccd548f4ff1c68659
github_release Patch Available

Roundcube Webmail 1.7.1

Patch available: roundcube/roundcubemail 1.7.1

https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
generic

Security updates 1.6.16 and 1.7.1 released

https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1

Vendor Advisories for CVE-2026-48845(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 (17 versions)1.4.15+dfsg.1-1+deb11u9—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
roundcube1.6.1+dfsg-1 ... 1.6.5+dfsg-1~deb12u1 (16 versions)1.6.5+dfsg-1+deb12u9—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
roundcube1.6.11+dfsg-1 ... 1.6.15+dfsg-1 (8 versions)1.6.16+dfsg-0+deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
roundcube1.6.11+dfsg-1, 1.6.12+dfsg-1, 1.6.13+dfsg-1, 1.6.14+dfsg-1, 1.6.15+dfsg-11.6.16+dfsg-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 30× 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 178 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-48845?
CVE-2026-48845 is a medium vulnerability published on May 25, 2026. In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7.x before 1.7.1, remote image blocking was not honored for URLs pointing to local/private destinations, which may lead to information disclosure or privilege escalation via a text/html email message.
When was CVE-2026-48845 disclosed?
CVE-2026-48845 was first published in the National Vulnerability Database on May 25, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-48845 actively exploited?
CVE-2026-48845 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 68.7% of all scored CVEs.
What is the CVSS score of CVE-2026-48845?
CVE-2026-48845 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-48845?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48845, 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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