CVE-2026-56236

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreMEDIUM 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
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(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity61% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
3.3%
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.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
@capgo/cli—7.84.6—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 65× 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. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 03:20 UTCEG score recompute
  3. 2026-07-22 14:08 UTCEPSS rescore
  4. 2026-07-21 15:25 UTCEPSS rescore
  5. 2026-07-20 17:08 UTCEPSS rescore
  6. 2026-07-19 14:31 UTCEPSS rescore
  7. 2026-07-19 14:31 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-17 04:26 UTCGHSA enrichment
  10. 2026-07-16 17:03 UTCEPSS rescore
  11. 2026-07-16 05:56 UTCGHSA enrichment
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 07:26 UTCGHSA enrichment
  15. 2026-07-15 02:00 UTCEPSS rescore
  16. 2026-07-15 02:00 UTCEPSS rescore
  17. 2026-07-14 08:54 UTCGHSA enrichment
  18. 2026-07-13 22:31 UTCEPSS rescore
  19. 2026-07-13 09:33 UTCGHSA enrichment
  20. 2026-07-13 06:13 UTCEPSS rescore
  21. 2026-07-13 06:13 UTCEPSS rescore
  22. 2026-07-12 11:03 UTCGHSA enrichment
  23. 2026-07-12 05:46 UTCEPSS rescore
  24. 2026-07-11 12:34 UTCGHSA enrichment
  25. 2026-07-11 08:27 UTCEPSS rescore
Show 48 more
  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-10 14:04 UTCGHSA enrichment
  3. 2026-07-09 19:10 UTCEPSS rescore
  4. 2026-07-09 19:10 UTCEPSS rescore
  5. 2026-07-09 15:27 UTCGHSA enrichment
  6. 2026-07-08 16:58 UTCGHSA enrichment
  7. 2026-07-08 15:16 UTCEPSS rescore
  8. 2026-07-08 15:16 UTCEPSS rescore
  9. 2026-07-07 18:29 UTCGHSA enrichment
  10. 2026-07-07 13:46 UTCEPSS rescore
  11. 2026-07-07 13:46 UTCEPSS rescore
  12. 2026-07-06 18:56 UTCGHSA enrichment
  13. 2026-07-06 02:23 UTCEPSS rescore
  14. 2026-07-06 02:23 UTCEPSS rescore
  15. 2026-07-05 20:14 UTCGHSA enrichment
  16. 2026-07-05 02:31 UTCEPSS rescore
  17. 2026-07-05 02:30 UTCEPSS rescore
  18. 2026-07-04 21:45 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-03 23:15 UTCGHSA enrichment
  22. 2026-07-03 00:39 UTCGHSA enrichment
  23. 2026-07-02 02:10 UTCGHSA enrichment
  24. 2026-07-01 15:07 UTCEPSS rescore
  25. 2026-07-01 03:41 UTCGHSA enrichment
  26. 2026-06-30 23:22 UTCEPSS rescore
  27. 2026-06-30 05:09 UTCGHSA enrichment
  28. 2026-06-29 14:06 UTCEPSS rescore
  29. 2026-06-29 14:06 UTCEPSS rescore
  30. 2026-06-29 06:37 UTCGHSA enrichment
  31. 2026-06-28 14:07 UTCEPSS rescore
  32. 2026-06-28 08:08 UTCGHSA enrichment
  33. 2026-06-28 04:56 UTCEPSS rescore
  34. 2026-06-28 04:56 UTCEPSS rescore
  35. 2026-06-27 09:39 UTCGHSA enrichment
  36. 2026-06-27 03:08 UTCEPSS rescore
  37. 2026-06-26 11:09 UTCGHSA enrichment
  38. 2026-06-25 13:49 UTCEPSS rescore
  39. 2026-06-25 09:46 UTCGHSA enrichment
  40. 2026-06-24 14:05 UTCEPSS rescore
  41. 2026-06-24 11:16 UTCGHSA enrichment
  42. 2026-06-23 21:33 UTCEPSS rescore
  43. 2026-06-23 21:33 UTCEPSS rescore
  44. 2026-06-23 12:44 UTCGHSA enrichment
  45. 2026-06-22 19:39 UTCNVD updateCVSS v4 → 6.8
  46. 2026-06-22 14:09 UTCGHSA enrichment
  47. 2026-06-21 15:39 UTCEG score recompute
  48. 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 3.3% 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-56236

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