CVE-2026-56310

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 4.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 77% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
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.

Cap-go before 12.128.2 contains an authorization bypass vulnerability in the GET /organization/members endpoint that allows org-limited API keys to bypass limited_to_orgs restrictions. Attackers with org-limited API keys can read membership data including uid, email, image_url, role, and is_tmp from organizations outside their assigned scope.

CVSS v3
4.3
EG Score
4.3(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
Severity43% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 25, 2026

Advisory Details (2)

Auto-updated Jun 27, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Org-limited API keys can bypass limited_to_orgs and read other organizations’ member data via GET /organization/members · Advisory · Cap-go/capgo · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-q7xv-p34q-v365
generic

Cap-go - Authorization Bypass in Organization Members Endpoint via API Key Scope Bypass | Advisories | VulnCheck

https://www.vulncheck.com/advisories/cap-go-authorization-bypass-in-organization-members-endpoint-via-api-key-scope-bypass

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 37× 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 112 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-56310?
CVE-2026-56310 is a medium vulnerability published on June 24, 2026. Cap-go before 12.128.2 contains an authorization bypass vulnerability in the GET /organization/members endpoint that allows org-limited API keys to bypass limitedtoorgs restrictions. Attackers with org-limited API keys can read membership data including uid, email, imageurl, role, and istmp from…
When was CVE-2026-56310 disclosed?
CVE-2026-56310 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56310 actively exploited?
CVE-2026-56310 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 77.0% of all scored CVEs.
What is the CVSS score of CVE-2026-56310?
CVE-2026-56310 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-56310?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56310, 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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