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CVE-2026-56236

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

MEDIUM
6.1
CVSS Score
Published: June 21, 2026 at 01:26 PM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorCapgo CLI

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Capgo CLI· Capgo
90%
0 ≤ v < 12.128.20
Vendor states this is fixed in 12.128.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://github.com/Cap-go/capgo/security/advisories/GHSA-8mpm-q7mh-8fvh
Third Party Advisory
Source: cverecord
https://www.vulncheck.com/advisories/capgo-cli-arbitrary-file-overwrite-via-symlink-following-in-local-credential-operations

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-59

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