CVE-2026-37458

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-05-04. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

A fix is available — apply it.

Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
16.2%
KEV
Not listed

Published

May 4, 2026

Last Modified

May 11, 2026

Advisory Details (2)

Auto-updated May 5, 2026
No patch confirmed yet.
generic

vulnerability-research/advisories/CVE-2026-36365.md at main · mertsatilmaz/vulnerability-research · GitHub

https://github.com/mertsatilmaz/vulnerability-research/blob/main/advisories/CVE-2026-36365.md
generic

bgpd: Validate MP_REACH_NLRI attribute against incorrect next-hop · FRRouting/frr@8102a8a · GitHub

https://github.com/FRRouting/frr/commit/8102a8aeceb9f86fdfe1f80cd77080522bab69c8

Vendor Advisories for CVE-2026-37458(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntufrr-snmp (10.5.1-1ubuntu4.1) @ resolute2026-06-14ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 39× 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 120 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-37458?
CVE-2026-37458 is a medium vulnerability published on May 4, 2026. Missing input validation in the MPREACHNLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.
When was CVE-2026-37458 disclosed?
CVE-2026-37458 was first published in the National Vulnerability Database on May 4, 2026, with the most recent update on May 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-37458 actively exploited?
CVE-2026-37458 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-37458?
CVE-2026-37458 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-37458?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-37458, 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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