VIR Vulnerability Intelligence Relay

CVE-2026-42259

medium
Published 2026-05-07 · Modified 2026-05-11
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
5.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
VIR risk
5.5

Description

Saltcorn: Open Redirect in `POST /auth/login` due to incomplete `is_relative_url` validation (backslash bypass)

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact
EcosystemPackageVulnerableFixed
npm npm@saltcorn/server<1.4.61.4.6
npm npm@saltcorn/server>=1.5.0-beta.0,<1.5.61.5.6
npm npm@saltcorn/server>=1.6.0-alpha.0,<1.6.0-beta.51.6.0-beta.5
npm NPM@saltcorn/server>= 1.6.0-alpha.0, < 1.6.0-beta.51.6.0-beta.5
npm NPM@saltcorn/server>= 1.5.0-beta.0, < 1.5.61.5.6
npm NPM@saltcorn/server< 1.4.61.4.6

References

CWEs

CWE-601

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.