CVE-2026-28374

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-05-13. the CNA's CVSS baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:grafana, epss, ghsa
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

May 13, 2026

Last Modified

August 27, 2026

Advisory Details (1)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

IDOR in Annotations API allows unprivileged users to DELETE annotation | Grafana Labs

https://grafana.com/security/security-advisories/cve-2026-28374

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 44× 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 234 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-28374?
CVE-2026-28374 is a medium vulnerability published on May 13, 2026. Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.
When was CVE-2026-28374 disclosed?
CVE-2026-28374 was first published in the National Vulnerability Database on May 13, 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-2026-28374 actively exploited?
CVE-2026-28374 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 90.3% of all scored CVEs.
What is the CVSS score of CVE-2026-28374?
CVE-2026-28374 has a CVSS v4.0 base score of 4.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-28374?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28374, 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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