CVE-2026-56220

MEDIUMPre-NVD 6.56.5
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-08. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
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

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

Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.manifest INSERT policy that allows read-only org members to insert OTA manifest rows. Attackers with read-only org access can inject malicious manifest entries with arbitrary s3_path values that are served to devices via the unauthenticated /updates endpoint, enabling OTA metadata poisoning and potential malicious asset delivery.

CVSS v3
6.5
EG Score
6.5(high)
EPSS
10.3%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 8, 2026

Advisory Details (2)

Auto-updated Jul 8, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

Capgo - Unauthorized Manifest Insertion via Read-Only Org Member | Advisories | VulnCheck

https://www.vulncheck.com/advisories/capgo-unauthorized-manifest-insertion-via-read-only-org-member
github Patch Available🟡 PoC Available

Read-only org member can insert public.manifest rows and poison /updates manifest download URLs · Advisory · Cap-go/capgo · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-vmgg-crr8-887p

Vendor Advisories for CVE-2026-56220(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 24× in last 7d / 24× 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. 2026-07-15 02:00 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-14 12:51 UTCEG score recompute
  4. 2026-07-14 12:50 UTCGHSA enrichment
  5. 2026-07-13 22:31 UTCEPSS rescore
  6. 2026-07-13 13:04 UTCEG score recompute
  7. 2026-07-13 13:04 UTCGHSA enrichment
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-13 06:13 UTCEPSS rescore
  10. 2026-07-12 13:18 UTCEG score recompute
  11. 2026-07-12 13:17 UTCGHSA enrichment
  12. 2026-07-12 05:46 UTCEPSS rescore
  13. 2026-07-11 13:26 UTCEG score recompute
  14. 2026-07-11 13:26 UTCGHSA enrichment
  15. 2026-07-11 08:27 UTCEPSS rescore
  16. 2026-07-11 08:27 UTCEPSS rescore
  17. 2026-07-10 13:40 UTCEG score recompute
  18. 2026-07-10 13:40 UTCGHSA enrichment
  19. 2026-07-09 19:10 UTCEPSS rescore
  20. 2026-07-09 19:10 UTCEPSS rescore
  21. 2026-07-09 13:54 UTCEG score recompute
  22. 2026-07-09 13:54 UTCGHSA enrichment
  23. 2026-07-08 14:07 UTCEG score recompute
  24. 2026-07-08 14:05 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-56220?
CVE-2026-56220 is a medium vulnerability published on July 8, 2026. Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.manifest INSERT policy that allows read-only org members to insert OTA manifest rows. Attackers with read-only org access can inject malicious manifest entries with arbitrary s3_path values that are served to devices…
When was CVE-2026-56220 disclosed?
CVE-2026-56220 was first published in the National Vulnerability Database on July 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56220 actively exploited?
CVE-2026-56220 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56220?
CVE-2026-56220 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-56220?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56220, 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-2026-56220

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