CVE-2026-48842

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: 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 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 24, 2026

Advisory Details (5)

Auto-updated Jun 3, 2026
Patch available. Sources: github_commit, github_release.
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 87124cc7136a (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 87124cc7136a — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b
github_commit

commit 3406183a9976 (roundcube/roundcubemail)

Fix landed in roundcube/roundcubemail commit 3406183a9976 — awaiting tagged release

https://github.com/roundcube/roundcubemail/commit/3406183a9976e36f992d3468f37d0e2346526ee9

Vendor Advisories for CVE-2026-48842(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 11× in last 7d / 37× 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 140 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-48842?
CVE-2026-48842 is a high vulnerability published on May 25, 2026. Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuserquery plugin via a pregreplace() backslash escape bypass.
When was CVE-2026-48842 disclosed?
CVE-2026-48842 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-2026-48842 actively exploited?
CVE-2026-48842 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 48.2% of all scored CVEs.
What is the CVSS score of CVE-2026-48842?
CVE-2026-48842 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-48842?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-48842, 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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