CVE-2026-48848

HIGHNVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. NVD baseline CVSS 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

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

Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 24, 2026

Advisory Details (5)

Auto-updated Jun 11, 2026
Patch available. Sources: github_release, github_commit.
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
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
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 c960d102472d (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit c960d102472d — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/c960d102472dc579e15907d5bcdc3103a090ccf9
github_commit

commit 58e5263f341e (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 58e5263f341e — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/58e5263f341e6a418774fb6d2643669a3c4d8a27

Vendor Advisories for CVE-2026-48848(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 / 31× 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 222 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 UTCGHSA enrichment
  7. 2026-08-16 16:45 UTCEG score recompute
  8. 2026-08-16 16:45 UTCGHSA enrichment
  9. 2026-08-16 14:56 UTCEPSS rescore
  10. 2026-08-16 03:11 UTCEG score recompute
  11. 2026-08-16 03:11 UTCGHSA enrichment
  12. 2026-08-16 02:14 UTCEPSS rescore
  13. 2026-08-15 01:30 UTCEPSS rescore
  14. 2026-08-14 23:45 UTCGHSA enrichment
  15. 2026-08-14 12:46 UTCGHSA enrichment
  16. 2026-08-14 01:47 UTCEG score recompute
  17. 2026-08-14 01:47 UTCGHSA enrichment
  18. 2026-08-13 22:00 UTCEPSS rescore
  19. 2026-08-13 09:43 UTCGHSA enrichment
  20. 2026-08-12 22:44 UTCEG score recompute
  21. 2026-08-12 22:44 UTCGHSA enrichment
  22. 2026-08-12 13:51 UTCEPSS rescore
  23. 2026-08-12 11:45 UTCGHSA enrichment
  24. 2026-08-12 00:42 UTCGHSA enrichment
  25. 2026-08-11 13:43 UTCEG score recompute
  26. 2026-08-11 13:43 UTCGHSA enrichment
  27. 2026-08-11 00:25 UTCEG score recompute
  28. 2026-08-11 00:25 UTCGHSA enrichment
  29. 2026-08-11 00:00 UTCEPSS rescore
  30. 2026-08-10 10:28 UTCGHSA enrichment
  31. 2026-08-09 23:29 UTCEG score recompute
  32. 2026-08-09 23:29 UTCGHSA enrichment
  33. 2026-08-09 13:46 UTCEPSS rescore
  34. 2026-08-09 12:30 UTCGHSA enrichment
  35. 2026-08-09 00:31 UTCEG score recompute
  36. 2026-08-09 00:31 UTCGHSA enrichment
  37. 2026-08-08 16:37 UTCEPSS rescore
  38. 2026-08-08 04:15 UTCGHSA enrichment
  39. 2026-08-07 17:16 UTCEG score recompute
  40. 2026-08-07 17:16 UTCGHSA enrichment
  41. 2026-08-07 06:16 UTCGHSA enrichment
  42. 2026-08-06 19:17 UTCEG score recompute
  43. 2026-08-06 19:17 UTCGHSA enrichment
  44. 2026-08-06 13:47 UTCEPSS rescore
  45. 2026-08-06 08:18 UTCGHSA enrichment
  46. 2026-08-05 21:06 UTCEG score recompute
  47. 2026-08-05 21:06 UTCGHSA enrichment
  48. 2026-08-05 19:17 UTCEPSS rescore
  49. 2026-08-04 15:10 UTCEPSS rescore
  50. 2026-08-04 10:39 UTCEPSS rescore
  51. 2026-08-04 03:43 UTCGHSA enrichment
  52. 2026-08-03 16:43 UTCEG score recompute
  53. 2026-08-03 16:43 UTCGHSA enrichment
  54. 2026-08-03 10:36 UTCEPSS rescore
  55. 2026-08-03 02:11 UTCGHSA enrichment
  56. 2026-08-02 15:12 UTCGHSA enrichment
  57. 2026-08-02 04:13 UTCEG score recompute
  58. 2026-08-02 04:13 UTCGHSA enrichment
  59. 2026-08-02 02:27 UTCEPSS rescore
  60. 2026-08-01 16:51 UTCEG score recompute
  61. 2026-08-01 16:51 UTCGHSA enrichment
  62. 2026-08-01 04:16 UTCEPSS rescore
  63. 2026-07-30 16:28 UTCEPSS rescore
  64. 2026-07-30 01:30 UTCEPSS rescore
  65. 2026-07-29 17:07 UTCEG score recompute
  66. 2026-07-29 17:07 UTCGHSA enrichment
  67. 2026-07-28 15:37 UTCEPSS rescore
  68. 2026-07-26 14:54 UTCEPSS rescore
  69. 2026-07-26 07:57 UTCEG score recompute
  70. 2026-07-26 07:57 UTCGHSA enrichment
  71. 2026-07-25 14:18 UTCEPSS rescore
  72. 2026-07-24 14:18 UTCEPSS rescore
  73. 2026-07-23 14:18 UTCEPSS rescore
  74. 2026-07-23 03:18 UTCEG score recompute
  75. 2026-07-22 14:08 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-48848?
CVE-2026-48848 is a high vulnerability published on May 25, 2026. Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 has insufficient HTML sanitization that could lead to Cascading Style Sheets (CSS) injection via an SVG document that has an animate element with the attributeName attribute.
When was CVE-2026-48848 disclosed?
CVE-2026-48848 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-2026-48848 actively exploited?
CVE-2026-48848 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 67.6% of all scored CVEs.
What is the CVSS score of CVE-2026-48848?
CVE-2026-48848 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-48848?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48848, 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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