CVE-2026-42129

HIGHPre-NVD 7.77.7—
EchelonGraph scoreMEDIUM confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-06-22. the CNA's CVSS baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:grafana, epss, ghsa
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: None knownExposed: 0

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

A user with Viewer permissions can use a path traversal in the Loki data source plugin to reach administrative Loki endpoints and read sensitive backend configuration and internal service information.

CVSS v3
7.7
EG Score
7.7(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
KEV
Not listed

Published

June 22, 2026

Last Modified

August 27, 2026

References (1)

Vendor Advisories for CVE-2026-42129(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 6× in last 7d / 68× 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 228 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-42129?
CVE-2026-42129 is a high vulnerability published on June 22, 2026. A user with Viewer permissions can use a path traversal in the Loki data source plugin to reach administrative Loki endpoints and read sensitive backend configuration and internal service information.
When was CVE-2026-42129 disclosed?
CVE-2026-42129 was first published in the National Vulnerability Database on June 22, 2026, with the most recent update on August 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-42129 actively exploited?
CVE-2026-42129 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 62.6% of all scored CVEs.
What is the CVSS score of CVE-2026-42129?
CVE-2026-42129 has a CVSS v4.0 base score of 7.7 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-42129?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-42129, 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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