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
Trending — 3 sources updated this weekElevated
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 6.1Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

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
6.1MEDIUMmedium confidence
EG Risk
43
EG Risk 43/100CISA SSVC

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%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
7th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

June 21, 2026

Last Modified

October 8, 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
githubMentions a patch (unverified)🟡 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 rangeFix by version rangeDependents
@capgo/cli—
  • every version up to 7.84.6: fixed in 7.84.6
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 32× 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.

Showing the most recent 100 of 202 total refreshes for this CVE.

  1. 2026-10-10 20:00 UTCEPSS rescore
  2. 2026-10-09 20:07 UTCEPSS rescore
  3. 2026-10-08 17:13 UTCEPSS rescore
  4. 2026-10-08 16:40 UTCEG score recompute
  5. 2026-10-08 16:40 UTCGHSA enrichment
  6. 2026-10-08 15:46 UTCEG score recompute
  7. 2026-10-08 15:46 UTCGHSA enrichment
  8. 2026-10-07 23:48 UTCEPSS rescore
  9. 2026-10-06 15:18 UTCEPSS rescore
  10. 2026-10-05 17:43 UTCEPSS rescore
  11. 2026-10-04 23:22 UTCEPSS rescore
  12. 2026-10-03 14:26 UTCEPSS rescore
  13. 2026-10-02 17:56 UTCEPSS rescore
  14. 2026-10-02 14:40 UTCOSV refresh
  15. 2026-10-01 19:50 UTCEPSS rescore
  16. 2026-09-30 15:03 UTCEPSS rescore
  17. 2026-09-29 15:22 UTCEPSS rescore
  18. 2026-09-28 13:51 UTCEPSS rescore
  19. 2026-09-27 13:48 UTCEPSS rescore
  20. 2026-09-26 15:59 UTCEPSS rescore
  21. 2026-09-24 14:04 UTCEPSS rescore
  22. 2026-09-23 17:54 UTCEPSS rescore
  23. 2026-09-20 20:16 UTCEPSS rescore
  24. 2026-09-18 19:28 UTCEPSS rescore
  25. 2026-09-17 19:31 UTCEPSS rescore
Show 75 more
  1. 2026-09-16 14:08 UTCEPSS rescore
  2. 2026-09-16 05:15 UTCEPSS rescore
  3. 2026-09-15 03:11 UTCEPSS rescore
  4. 2026-09-13 16:47 UTCEPSS rescore
  5. 2026-09-13 12:53 UTCEG score recompute
  6. 2026-09-13 12:53 UTCGHSA enrichment
  7. 2026-09-11 14:53 UTCEPSS rescore
  8. 2026-09-10 09:35 UTCEPSS rescore
  9. 2026-09-07 16:01 UTCEPSS rescore
  10. 2026-09-06 13:47 UTCEPSS rescore
  11. 2026-09-04 05:07 UTCEPSS rescore
  12. 2026-09-02 14:12 UTCEPSS rescore
  13. 2026-09-01 13:54 UTCEPSS rescore
  14. 2026-09-01 04:40 UTCEPSS rescore
  15. 2026-08-30 20:42 UTCEG score recompute
  16. 2026-08-30 20:42 UTCGHSA enrichment
  17. 2026-08-30 19:17 UTCEPSS rescore
  18. 2026-08-30 01:22 UTCEPSS rescore
  19. 2026-08-28 21:41 UTCEPSS rescore
  20. 2026-08-27 14:25 UTCEPSS rescore
  21. 2026-08-26 14:46 UTCEPSS rescore
  22. 2026-08-25 13:49 UTCEPSS rescore
  23. 2026-08-24 22:16 UTCEG score recompute
  24. 2026-08-24 22:16 UTCGHSA enrichment
  25. 2026-08-23 21:27 UTCEG score recompute
  26. 2026-08-23 21:27 UTCGHSA enrichment
  27. 2026-08-23 00:19 UTCEPSS rescore
  28. 2026-08-22 22:57 UTCEG score recompute
  29. 2026-08-22 22:57 UTCGHSA enrichment
  30. 2026-08-21 23:49 UTCEPSS rescore
  31. 2026-08-21 06:23 UTCEG score recompute
  32. 2026-08-21 06:23 UTCGHSA enrichment
  33. 2026-08-20 22:55 UTCEPSS rescore
  34. 2026-08-20 07:54 UTCEG score recompute
  35. 2026-08-20 07:54 UTCGHSA enrichment
  36. 2026-08-19 17:04 UTCEPSS rescore
  37. 2026-08-19 05:48 UTCEG score recompute
  38. 2026-08-19 05:48 UTCGHSA enrichment
  39. 2026-08-18 13:48 UTCEPSS rescore
  40. 2026-08-17 13:47 UTCEPSS rescore
  41. 2026-08-16 23:31 UTCEG score recompute
  42. 2026-08-16 23:31 UTCGHSA enrichment
  43. 2026-08-16 14:56 UTCEPSS rescore
  44. 2026-08-16 02:14 UTCEPSS rescore
  45. 2026-08-16 01:01 UTCGHSA enrichment
  46. 2026-08-15 02:31 UTCEG score recompute
  47. 2026-08-15 02:31 UTCGHSA enrichment
  48. 2026-08-15 01:30 UTCEPSS rescore
  49. 2026-08-14 04:02 UTCEG score recompute
  50. 2026-08-14 04:02 UTCGHSA enrichment
  51. 2026-08-13 22:00 UTCEPSS rescore
  52. 2026-08-13 05:34 UTCEG score recompute
  53. 2026-08-13 05:33 UTCGHSA enrichment
  54. 2026-08-12 13:51 UTCEPSS rescore
  55. 2026-08-12 07:05 UTCEG score recompute
  56. 2026-08-12 07:05 UTCGHSA enrichment
  57. 2026-08-11 08:36 UTCEG score recompute
  58. 2026-08-11 08:36 UTCGHSA enrichment
  59. 2026-08-11 00:00 UTCEPSS rescore
  60. 2026-08-10 10:06 UTCEG score recompute
  61. 2026-08-10 10:06 UTCGHSA enrichment
  62. 2026-08-09 13:46 UTCEPSS rescore
  63. 2026-08-09 11:38 UTCEG score recompute
  64. 2026-08-09 11:38 UTCGHSA enrichment
  65. 2026-08-08 16:37 UTCEPSS rescore
  66. 2026-08-08 13:09 UTCEG score recompute
  67. 2026-08-08 13:09 UTCGHSA enrichment
  68. 2026-08-07 14:39 UTCGHSA enrichment
  69. 2026-08-06 16:11 UTCEG score recompute
  70. 2026-08-06 16:11 UTCGHSA enrichment
  71. 2026-08-06 13:47 UTCEPSS rescore
  72. 2026-08-05 19:17 UTCEPSS rescore
  73. 2026-08-05 17:41 UTCGHSA enrichment
  74. 2026-08-04 18:30 UTCEG score recompute
  75. 2026-08-04 18:30 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 on June 21, 2026, with the most recent update on October 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56236 actively exploited?
CVE-2026-56236 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (7th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-56236?
CVE-2026-56236 has a CVSS base score of 6.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-56236?
A fix for CVE-2026-56236 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-56236 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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