CVE-2026-31983

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-07-09. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
34%
KEV
Not listed

Published

July 9, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Jul 9, 2026
No patch confirmed yet.
generic

NN-2026:10-01 - Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0 - CVE-2026-31983 | Product Security Incident Response Portal

https://security.nozominetworks.com/NN-2026:10-01

Vendor Advisories for CVE-2026-31983(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 15× in last 7d / 88× 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 142 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-31983?
CVE-2026-31983 is a medium vulnerability published on July 9, 2026. A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH…
When was CVE-2026-31983 disclosed?
CVE-2026-31983 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-31983 actively exploited?
CVE-2026-31983 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 65.8% of all scored CVEs.
What is the CVSS score of CVE-2026-31983?
CVE-2026-31983 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-31983?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31983, 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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