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Vulnerability record · CVE-2020-12283 · published 30 April 2020

CVE-2020-12283: Sourcegraph open redirect vulnerability

Sourcegraph · Sourcegraph

Sourcegraph before 3.15.1 has a vulnerable authentication workflow because of improper validation in the SafeRedirectURL method in cmd/frontend/auth/redirect.go, such as for the //foo//example.com substring.

6.1 CVSS 3.1 Medium EPSS 1.3% · top 30.0% CWE-601 · Open redirect
6.1CVSS 3.1 base score, v2 5.8
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Sourcegraph before 3.15.1 has a vulnerable authentication workflow because of improper validation in the SafeRedirectURL method in cmd/frontend/auth/redirect.go, such as for the //foo//example.com substring.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md Release NotesThird Party Advisory
https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64 PatchThird Party Advisory
https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1 Release NotesThird Party Advisory
https://github.com/sourcegraph/sourcegraph/pull/10167 PatchThird Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph ExploitThird Party Advisory
https://github.com/sourcegraph/sourcegraph/blob/master/CHANGELOG.md Release NotesThird Party Advisory
https://github.com/sourcegraph/sourcegraph/commit/c0f48172e815c7f66471a38f0a06d1fc32a77a64 PatchThird Party Advisory
https://github.com/sourcegraph/sourcegraph/compare/v3.15.0...v3.15.1 Release NotesThird Party Advisory
https://github.com/sourcegraph/sourcegraph/pull/10167 PatchThird Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-085-sourcegraph ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-12283), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.