CVE-2026-50889

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

An input handling flaw in the HTTP refresh token process of LLDAP v0.6.2 allows attackers to cause a Denial of Service (DoS) via sending a crafted refresh-token header.

CVSS v3
7.5
EG Score
7.5(high)
EPSS
38.1%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 17, 2026

Advisory Details (1)

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

Reference for CVE-2026-50889 · GitHub

https://gist.github.com/pyuysig/41937c47514ff63d66a3be98ab8e8a7d

Vendor Advisories for CVE-2026-50889(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 31× in last 7d / 101× 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 101 total refreshes for this CVE.

  1. 2026-07-07 00:39 UTCEG score recompute
  2. 2026-07-07 00:39 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 00:04 UTCEG score recompute
  7. 2026-07-06 00:04 UTCGHSA enrichment
  8. 2026-07-05 11:25 UTCEG score recompute
  9. 2026-07-05 11:25 UTCGHSA enrichment
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 22:49 UTCEG score recompute
  12. 2026-07-04 22:49 UTCGHSA enrichment
  13. 2026-07-04 10:13 UTCEG score recompute
  14. 2026-07-04 10:13 UTCGHSA enrichment
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-03 20:25 UTCEG score recompute
  17. 2026-07-03 20:25 UTCGHSA enrichment
  18. 2026-07-03 07:50 UTCEG score recompute
  19. 2026-07-03 07:50 UTCGHSA enrichment
  20. 2026-07-02 19:14 UTCEG score recompute
  21. 2026-07-02 19:14 UTCGHSA enrichment
  22. 2026-07-02 06:38 UTCEG score recompute
  23. 2026-07-02 06:38 UTCGHSA enrichment
  24. 2026-07-01 18:03 UTCEG score recompute
  25. 2026-07-01 18:02 UTCGHSA enrichment
Show 75 more
  1. 2026-07-01 15:07 UTCEPSS rescore
  2. 2026-07-01 05:27 UTCEG score recompute
  3. 2026-07-01 05:27 UTCGHSA enrichment
  4. 2026-06-30 23:22 UTCEPSS rescore
  5. 2026-06-30 16:47 UTCEG score recompute
  6. 2026-06-30 16:47 UTCGHSA enrichment
  7. 2026-06-30 04:11 UTCEG score recompute
  8. 2026-06-30 04:10 UTCGHSA enrichment
  9. 2026-06-29 15:35 UTCEG score recompute
  10. 2026-06-29 15:35 UTCGHSA enrichment
  11. 2026-06-29 14:06 UTCEPSS rescore
  12. 2026-06-29 14:06 UTCEPSS rescore
  13. 2026-06-29 03:00 UTCEG score recompute
  14. 2026-06-29 03:00 UTCGHSA enrichment
  15. 2026-06-28 14:25 UTCEG score recompute
  16. 2026-06-28 14:25 UTCGHSA enrichment
  17. 2026-06-28 14:07 UTCEPSS rescore
  18. 2026-06-28 04:56 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 01:47 UTCEG score recompute
  21. 2026-06-28 01:47 UTCGHSA enrichment
  22. 2026-06-27 13:12 UTCEG score recompute
  23. 2026-06-27 13:12 UTCGHSA enrichment
  24. 2026-06-27 03:08 UTCEPSS rescore
  25. 2026-06-27 00:37 UTCEG score recompute
  26. 2026-06-27 00:37 UTCGHSA enrichment
  27. 2026-06-26 12:00 UTCEG score recompute
  28. 2026-06-26 12:00 UTCGHSA enrichment
  29. 2026-06-25 21:47 UTCEG score recompute
  30. 2026-06-25 21:47 UTCGHSA enrichment
  31. 2026-06-25 13:49 UTCEPSS rescore
  32. 2026-06-25 09:12 UTCEG score recompute
  33. 2026-06-25 09:11 UTCGHSA enrichment
  34. 2026-06-24 20:36 UTCEG score recompute
  35. 2026-06-24 20:36 UTCGHSA enrichment
  36. 2026-06-24 14:05 UTCEPSS rescore
  37. 2026-06-24 07:47 UTCEG score recompute
  38. 2026-06-24 07:47 UTCGHSA enrichment
  39. 2026-06-23 21:33 UTCEPSS rescore
  40. 2026-06-23 21:33 UTCEPSS rescore
  41. 2026-06-23 19:04 UTCEG score recompute
  42. 2026-06-23 19:04 UTCGHSA enrichment
  43. 2026-06-23 06:28 UTCEG score recompute
  44. 2026-06-23 06:27 UTCGHSA enrichment
  45. 2026-06-22 17:18 UTCEG score recompute
  46. 2026-06-22 17:18 UTCGHSA enrichment
  47. 2026-06-22 14:25 UTCEPSS rescore
  48. 2026-06-22 14:25 UTCEPSS rescore
  49. 2026-06-22 04:10 UTCEG score recompute
  50. 2026-06-22 04:10 UTCGHSA enrichment
  51. 2026-06-21 15:33 UTCEG score recompute
  52. 2026-06-21 15:32 UTCGHSA enrichment
  53. 2026-06-21 14:56 UTCEPSS rescore
  54. 2026-06-21 14:56 UTCEPSS rescore
  55. 2026-06-21 02:53 UTCEG score recompute
  56. 2026-06-21 02:53 UTCGHSA enrichment
  57. 2026-06-21 01:59 UTCEPSS rescore
  58. 2026-06-21 01:59 UTCEPSS rescore
  59. 2026-06-20 14:06 UTCEG score recompute
  60. 2026-06-20 14:05 UTCGHSA enrichment
  61. 2026-06-20 01:28 UTCEG score recompute
  62. 2026-06-20 01:27 UTCGHSA enrichment
  63. 2026-06-19 19:26 UTCEPSS rescore
  64. 2026-06-19 19:26 UTCEPSS rescore
  65. 2026-06-19 12:42 UTCEG score recompute
  66. 2026-06-19 12:42 UTCGHSA enrichment
  67. 2026-06-18 23:55 UTCEG score recompute▲ 7.50
  68. 2026-06-18 23:55 UTCGHSA enrichment
  69. 2026-06-18 17:52 UTCEPSS rescore
  70. 2026-06-18 17:52 UTCEPSS rescore
  71. 2026-06-17 17:53 UTCEPSS rescore
  72. 2026-06-16 17:53 UTCEPSS rescore
  73. 2026-06-16 17:47 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  74. 2026-06-15 21:45 UTCNVD update
  75. 2026-06-15 19:22 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-50889?
CVE-2026-50889 is a high vulnerability published on June 15, 2026. An input handling flaw in the HTTP refresh token process of LLDAP v0.6.2 allows attackers to cause a Denial of Service (DoS) via sending a crafted refresh-token header.
When was CVE-2026-50889 disclosed?
CVE-2026-50889 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50889 actively exploited?
CVE-2026-50889 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50889?
CVE-2026-50889 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-50889?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50889, 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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