Open Redirect Affecting @saltcorn/server package, versions <1.4.6>=1.5.0-beta.0 <1.5.6>=1.6.0-alpha.0 <1.6.0-beta.5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-SALTCORNSERVER-16111017
- published20 Apr 2026
- disclosed16 Apr 2026
- creditUnknown
Introduced: 16 Apr 2026
CVE-2026-42259 (opens in a new tab)How to fix?
Upgrade @saltcorn/server to version 1.4.6, 1.5.6, 1.6.0-beta.5 or higher.
Overview
@saltcorn/server is a Server app for Saltcorn, open-source no-code platform
Affected versions of this package are vulnerable to Open Redirect via the is_relative_url function. An attacker can redirect users to an external, attacker-controlled domain by crafting a malicious URL that exploits improper validation of the dest parameter in the login.
Note: This can be achieved by tricking a user into clicking a specially crafted login link, leading to potential credential phishing or other social engineering attacks.