CVE-2022-41943 — sourcegraph is a code intelligence platform

sourcegraph is a code intelligence platform. As a site admin it was possible to execute arbitrary commands on Gitserver when the experimental `customGitFetch` feature was enabled. This experimental feature has now been disabled by default. This issue has been patched in version 4

01What is this vulnerability?

sourcegraph is a code intelligence platform. As a site admin it was possible to execute arbitrary commands on Gitserver when the experimental `customGitFetch` feature was enabled. This experimental feature has now been disabled by default. This issue has been patched in version 4.1.0.

02Affected products

Vendor	Product	Versions
sourcegraph	sourcegraph	< 4.1.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-11-22T00:00:00.000Z
• Last modified: 2025-04-23T16:36:01.306Z

09References

• github.com — https://github.com/sourcegraph/sourcegraph/security/advisories/GHSA-4qhq-4x4h-fx…
• github.com — https://github.com/sourcegraph/sourcegraph/pull/42704