GHSA-f7xc-5852-fj99 · Severity: medium · Ecosystem: composer — Saloon has a Fixture Name Path Traversal Vulnerability
Saloon is a PHP library that gives users tools to build API integrations and SDKs. Prior to version 4.0.0, fixture names were used to build file paths under the configured fixture directory without validation. A name containing path segments (e.g. ../traversal or ../../etc/passwd) resulted in a path outside that directory. When the application read a fixture (e.g. for mocking) or wrote one (e.g. when recording responses), it could read or write files anywhere the process had access. If the fixture name was derived from user or attacker-controlled input (e.g. request parameters or config), this constituted a path traversal vulnerability and could lead to disclosure of sensitive files or overwriting of critical files. The fix in version 4.0.0 adds validation in the fixture layer (rejecting names with /, \, .., or null bytes, and restricting to a safe character set) and defense-in-depth in the storage layer (ensuring the resolved path remains under the base directory before any read or write).
Conclusion & alert: CVE-2026-33183 is rated Low Risk (32.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.01%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-26 | — | 0.01% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.0 | 4.0 | HIGH |
|
— | — | [email protected] |
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
GHSA-f7xc-5852-fj99 · Severity: medium · Ecosystem: composer — Saloon has a Fixture Name Path Traversal Vulnerability
| URL | Tags |
|---|---|
| https://docs.saloon.dev/upgrade/upgrading-from-v3-to-v4 | Release Notes |
| https://github.com/saloonphp/saloon/security/advisories/GHSA-f7xc-5852-fj99 | Vendor Advisory |