CVE-2026-56216

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-20. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

Capgo before 12.128.2 contains a scope escalation vulnerability in the POST /functions/v1/apikey endpoint that allows app-limited API keys to mint unrestricted keys by setting empty limits. Attackers with a compromised app-limited key can create an unrestricted key with org-wide access to resources like app listings and other protected endpoints.

CVSS v3
8.8
EG Score
8.8(high)
EPSS
16.4%
KEV
Not listed

Published

June 20, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jun 22, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

App-limited API keys can mint unrestricted API keys via /functions/v1/apikey (scope escalation to org-wide access) · Advisory · Cap-go/capgo · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-2ff8-7h96-hwfp
generic

Capgo - Scope Escalation via API Key Creation in /functions/v1/apikey | Advisories | VulnCheck

https://www.vulncheck.com/advisories/capgo-scope-escalation-via-api-key-creation-in-functions-v1-apikey

Vendor Advisories for CVE-2026-56216(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 36× in last 7d / 87× 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.

  1. 2026-07-06 20:38 UTCEG score recompute
  2. 2026-07-06 20:38 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 06:58 UTCEG score recompute
  6. 2026-07-06 06:58 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 18:34 UTCEG score recompute
  10. 2026-07-05 18:34 UTCGHSA enrichment
  11. 2026-07-05 06:11 UTCEG score recompute
  12. 2026-07-05 06:11 UTCGHSA enrichment
  13. 2026-07-05 02:31 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 17:41 UTCEG score recompute
  16. 2026-07-04 17:40 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 06:31 UTCEPSS rescore
  19. 2026-07-04 05:12 UTCEG score recompute
  20. 2026-07-04 05:12 UTCGHSA enrichment
  21. 2026-07-03 16:49 UTCEG score recompute
  22. 2026-07-03 16:49 UTCGHSA enrichment
  23. 2026-07-03 04:22 UTCEG score recompute
  24. 2026-07-03 04:22 UTCGHSA enrichment
  25. 2026-07-02 15:57 UTCEG score recompute
Show 62 more
  1. 2026-07-02 15:57 UTCGHSA enrichment
  2. 2026-07-02 03:33 UTCEG score recompute
  3. 2026-07-02 03:33 UTCGHSA enrichment
  4. 2026-07-01 15:10 UTCEG score recompute
  5. 2026-07-01 15:09 UTCGHSA enrichment
  6. 2026-07-01 15:07 UTCEPSS rescore
  7. 2026-07-01 02:46 UTCEG score recompute
  8. 2026-07-01 02:46 UTCGHSA enrichment
  9. 2026-06-30 23:22 UTCEPSS rescore
  10. 2026-06-30 14:23 UTCEG score recompute
  11. 2026-06-30 14:22 UTCGHSA enrichment
  12. 2026-06-30 01:57 UTCEG score recompute
  13. 2026-06-30 01:57 UTCGHSA enrichment
  14. 2026-06-29 14:06 UTCEPSS rescore
  15. 2026-06-29 14:06 UTCEPSS rescore
  16. 2026-06-29 13:34 UTCEG score recompute
  17. 2026-06-29 13:34 UTCGHSA enrichment
  18. 2026-06-29 01:11 UTCEG score recompute
  19. 2026-06-29 01:11 UTCGHSA enrichment
  20. 2026-06-28 14:07 UTCEPSS rescore
  21. 2026-06-28 12:48 UTCEG score recompute
  22. 2026-06-28 12:47 UTCGHSA enrichment
  23. 2026-06-28 04:56 UTCEPSS rescore
  24. 2026-06-28 04:56 UTCEPSS rescore
  25. 2026-06-28 00:24 UTCEG score recompute
  26. 2026-06-28 00:24 UTCGHSA enrichment
  27. 2026-06-27 11:58 UTCEG score recompute
  28. 2026-06-27 11:58 UTCGHSA enrichment
  29. 2026-06-27 03:08 UTCEPSS rescore
  30. 2026-06-26 23:34 UTCEG score recompute
  31. 2026-06-26 23:34 UTCGHSA enrichment
  32. 2026-06-26 11:11 UTCEG score recompute
  33. 2026-06-26 11:11 UTCGHSA enrichment
  34. 2026-06-25 20:25 UTCEG score recompute
  35. 2026-06-25 20:25 UTCGHSA enrichment
  36. 2026-06-25 13:49 UTCEPSS rescore
  37. 2026-06-25 08:01 UTCEG score recompute
  38. 2026-06-25 08:00 UTCGHSA enrichment
  39. 2026-06-24 19:37 UTCEG score recompute
  40. 2026-06-24 19:36 UTCGHSA enrichment
  41. 2026-06-24 14:05 UTCEPSS rescore
  42. 2026-06-24 07:13 UTCEG score recompute
  43. 2026-06-24 07:12 UTCGHSA enrichment
  44. 2026-06-23 21:33 UTCEPSS rescore
  45. 2026-06-23 21:33 UTCEPSS rescore
  46. 2026-06-23 18:45 UTCEG score recompute
  47. 2026-06-23 18:45 UTCGHSA enrichment
  48. 2026-06-23 06:21 UTCEG score recompute
  49. 2026-06-23 06:21 UTCGHSA enrichment
  50. 2026-06-22 19:38 UTCNVD updateCVSS v4 → 8.7
  51. 2026-06-22 17:58 UTCEG score recompute
  52. 2026-06-22 17:57 UTCGHSA enrichment
  53. 2026-06-22 05:24 UTCEG score recompute
  54. 2026-06-22 05:24 UTCGHSA enrichment
  55. 2026-06-21 17:01 UTCEG score recompute
  56. 2026-06-21 17:01 UTCGHSA enrichment
  57. 2026-06-21 04:36 UTCEG score recompute
  58. 2026-06-21 04:36 UTCGHSA enrichment
  59. 2026-06-20 16:09 UTCEG score recompute
  60. 2026-06-20 16:09 UTCGHSA enrichment
  61. 2026-06-20 03:45 UTCEG score recompute
  62. 2026-06-20 03:45 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56216?
CVE-2026-56216 is a high vulnerability published on June 20, 2026. Capgo before 12.128.2 contains a scope escalation vulnerability in the POST /functions/v1/apikey endpoint that allows app-limited API keys to mint unrestricted keys by setting empty limits. Attackers with a compromised app-limited key can create an unrestricted key with org-wide access to resources…
When was CVE-2026-56216 disclosed?
CVE-2026-56216 was first published in the National Vulnerability Database on June 20, 2026, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56216 actively exploited?
CVE-2026-56216 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56216?
CVE-2026-56216 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-56216?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56216, 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

Explore the affected products and dependency analysis for CVE-2026-56216

Explore →

Is Your Infrastructure Affected by CVE-2026-56216?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs