CVE-2026-56236

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-06-21. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

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

Capgo CLI before 12.128.2 contains arbitrary file overwrite vulnerabilities in login and build credentials operations that follow symlinks without validation. Attackers can create malicious symlinks in repositories to overwrite arbitrary files or expose credentials with world-readable permissions when developers run the CLI.

CVSS v3
6.1
EG Score
6.1(high)
EPSS
3.2%
KEV
Not listed

Published

June 21, 2026

Last Modified

June 22, 2026

Advisory Details (2)

Auto-updated Jun 23, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

Capgo CLI - Arbitrary File Overwrite via Symlink-Following in Local Credential Operations | Advisories | VulnCheck

https://www.vulncheck.com/advisories/capgo-cli-arbitrary-file-overwrite-via-symlink-following-in-local-credential-operations
github Patch Available🟡 PoC Available

Capgo CLI: symlink-following local secret writes enable arbitrary file overwrite + world-readable credentials (0600 missing) · Advisory · Cap-go/capgo · GitHub

https://github.com/Cap-go/capgo/security/advisories/GHSA-8mpm-q7mh-8fvh

Vendor Advisories for CVE-2026-56236(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 / 53× 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 18:57 UTCEG score recompute
  2. 2026-07-06 18:56 UTCGHSA enrichment
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 20:14 UTCEG score recompute
  6. 2026-07-05 20:14 UTCGHSA enrichment
  7. 2026-07-05 02:31 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 21:45 UTCEG score recompute
  10. 2026-07-04 21:45 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-07-03 23:15 UTCEG score recompute
  14. 2026-07-03 23:15 UTCGHSA enrichment
  15. 2026-07-03 00:39 UTCEG score recompute
  16. 2026-07-03 00:39 UTCGHSA enrichment
  17. 2026-07-02 02:11 UTCEG score recompute
  18. 2026-07-02 02:10 UTCGHSA enrichment
  19. 2026-07-01 15:07 UTCEPSS rescore
  20. 2026-07-01 03:41 UTCEG score recompute
  21. 2026-07-01 03:41 UTCGHSA enrichment
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-30 05:09 UTCEG score recompute
  24. 2026-06-30 05:09 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 28 more
  1. 2026-06-29 14:06 UTCEPSS rescore
  2. 2026-06-29 06:37 UTCEG score recompute
  3. 2026-06-29 06:37 UTCGHSA enrichment
  4. 2026-06-28 14:07 UTCEPSS rescore
  5. 2026-06-28 08:08 UTCEG score recompute
  6. 2026-06-28 08:08 UTCGHSA enrichment
  7. 2026-06-28 04:56 UTCEPSS rescore
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-27 09:39 UTCEG score recompute
  10. 2026-06-27 09:39 UTCGHSA enrichment
  11. 2026-06-27 03:08 UTCEPSS rescore
  12. 2026-06-26 11:09 UTCEG score recompute
  13. 2026-06-26 11:09 UTCGHSA enrichment
  14. 2026-06-25 13:49 UTCEPSS rescore
  15. 2026-06-25 09:46 UTCEG score recompute
  16. 2026-06-25 09:46 UTCGHSA enrichment
  17. 2026-06-24 14:05 UTCEPSS rescore
  18. 2026-06-24 11:16 UTCEG score recompute
  19. 2026-06-24 11:16 UTCGHSA enrichment
  20. 2026-06-23 21:33 UTCEPSS rescore
  21. 2026-06-23 21:33 UTCEPSS rescore
  22. 2026-06-23 12:44 UTCEG score recompute
  23. 2026-06-23 12:44 UTCGHSA enrichment
  24. 2026-06-22 19:39 UTCNVD updateCVSS v4 → 6.8
  25. 2026-06-22 14:09 UTCEG score recompute
  26. 2026-06-22 14:09 UTCGHSA enrichment
  27. 2026-06-21 15:39 UTCEG score recompute
  28. 2026-06-21 15:39 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56236?
CVE-2026-56236 is a medium vulnerability published on June 21, 2026. Capgo CLI before 12.128.2 contains arbitrary file overwrite vulnerabilities in login and build credentials operations that follow symlinks without validation. Attackers can create malicious symlinks in repositories to overwrite arbitrary files or expose credentials with world-readable permissions…
When was CVE-2026-56236 disclosed?
CVE-2026-56236 was first published in the National Vulnerability Database on June 21, 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-2026-56236 actively exploited?
CVE-2026-56236 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56236?
CVE-2026-56236 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-56236?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56236, 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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