CVE-2026-56213

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-06-20. 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
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: 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.upsert_version_meta SECURITY DEFINER function exposed via PostgREST RPC, allowing unauthenticated attackers to insert arbitrary rows into version_meta for any app_id. Attackers can exploit this by calling the RPC endpoint with a public anon key to poison storage metrics, causing persistent false data in dashboards and triggering incorrect alerts across victim applications.

CVSS v3
5.3
EG Score
5.3(high)
EPSS
14.5%
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.
generic

Capgo - Unauthenticated Cross-Tenant Metrics Poisoning via upsert_version_meta RPC | Advisories | VulnCheck

https://www.vulncheck.com/advisories/capgo-unauthenticated-cross-tenant-metrics-poisoning-via-upsert-version-meta-rpc
github Patch Available🟡 PoC Available

Unauthenticated SECURITY DEFINER RPC public.upsert_version_meta allows cross-tenant writes to version_meta (persistent storage metrics poisoning) · Advisory · Cap-go/capgo · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-g4hx-x8gc-x6rw

Vendor Advisories for CVE-2026-56213(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 22× in last 7d / 55× 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 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 11:28 UTCEG score recompute
  4. 2026-07-06 11:28 UTCGHSA enrichment
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 12:14 UTCEG score recompute
  8. 2026-07-05 12:14 UTCGHSA enrichment
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 13:13 UTCEG score recompute
  12. 2026-07-04 13:13 UTCGHSA enrichment
  13. 2026-07-03 14:12 UTCEG score recompute
  14. 2026-07-03 14:12 UTCGHSA enrichment
  15. 2026-07-02 15:11 UTCEG score recompute
  16. 2026-07-02 15:11 UTCGHSA enrichment
  17. 2026-07-01 16:06 UTCEG score recompute
  18. 2026-07-01 16:06 UTCGHSA enrichment
  19. 2026-07-01 15:07 UTCEPSS rescore
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-30 17:04 UTCEG score recompute
  22. 2026-06-30 17:03 UTCGHSA enrichment
  23. 2026-06-29 18:02 UTCEG score recompute
  24. 2026-06-29 18:02 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 30 more
  1. 2026-06-29 14:06 UTCEPSS rescore
  2. 2026-06-28 19:01 UTCEG score recompute
  3. 2026-06-28 19:01 UTCGHSA enrichment
  4. 2026-06-28 14:07 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-28 04:56 UTCEPSS rescore
  7. 2026-06-27 20:00 UTCEG score recompute
  8. 2026-06-27 20:00 UTCGHSA enrichment
  9. 2026-06-27 03:08 UTCEPSS rescore
  10. 2026-06-26 20:59 UTCEG score recompute
  11. 2026-06-26 20:59 UTCGHSA enrichment
  12. 2026-06-25 21:59 UTCEG score recompute
  13. 2026-06-25 21:59 UTCGHSA enrichment
  14. 2026-06-25 13:49 UTCEPSS rescore
  15. 2026-06-24 22:58 UTCEG score recompute
  16. 2026-06-24 22:58 UTCGHSA enrichment
  17. 2026-06-24 14:05 UTCEPSS rescore
  18. 2026-06-23 23:58 UTCEG score recompute
  19. 2026-06-23 23:57 UTCGHSA enrichment
  20. 2026-06-23 21:33 UTCEPSS rescore
  21. 2026-06-23 21:33 UTCEPSS rescore
  22. 2026-06-23 00:54 UTCEG score recompute
  23. 2026-06-23 00:53 UTCGHSA enrichment
  24. 2026-06-22 17:37 UTCNVD updateCVSS v4 → 6.9
  25. 2026-06-22 01:53 UTCEG score recompute
  26. 2026-06-22 01:52 UTCGHSA enrichment
  27. 2026-06-21 02:49 UTCEG score recompute
  28. 2026-06-21 02:49 UTCGHSA enrichment
  29. 2026-06-20 03:46 UTCEG score recompute
  30. 2026-06-20 03:45 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-56213?
CVE-2026-56213 is a medium vulnerability published on June 20, 2026. Capgo before 12.128.2 contains an authorization bypass vulnerability in the public.upsertversionmeta SECURITY DEFINER function exposed via PostgREST RPC, allowing unauthenticated attackers to insert arbitrary rows into versionmeta for any appid. Attackers can exploit this by calling the RPC…
When was CVE-2026-56213 disclosed?
CVE-2026-56213 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-2026-56213 actively exploited?
CVE-2026-56213 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56213?
CVE-2026-56213 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-56213?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56213, 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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