CVE-2026-15371

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. 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: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

Velociraptor's web GUI allows specifying a custom type for columns in tables. The URL type takes the cell value and forms a URL which can be clicked in the GUI.The code does not limit the schemes allowed in this URL , allowing an attacker to specify a JavaScript scheme exposing the user to XSS.

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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

August 18, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 18, 2026
No patch confirmed yet.
generic

CVE-2026-15371 Velociraptor Stored XSS in URL column types

http://docs.velociraptor.app/announcements/advisories/cve-2026-15371/

Vendor Advisories for CVE-2026-15371(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 26× in last 7d / 113× 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 130 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15371?
CVE-2026-15371 is a high vulnerability published on August 18, 2026. Velociraptor's web GUI allows specifying a custom type for columns in tables. The URL type takes the cell value and forms a URL which can be clicked in the GUI.The code does not limit the schemes allowed in this URL , allowing an attacker to specify a JavaScript scheme exposing the user to XSS.
When was CVE-2026-15371 disclosed?
CVE-2026-15371 was first published in the National Vulnerability Database on August 18, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15371 actively exploited?
CVE-2026-15371 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 88.2% of all scored CVEs.
What is the CVSS score of CVE-2026-15371?
CVE-2026-15371 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-15371?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15371, 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

Explore the affected products and dependency analysis for CVE-2026-15371

Explore →

Is Your Infrastructure Affected by CVE-2026-15371?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs