VDB

GO-2025-4170

GO-2025-4170 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from OSV · Published December 15, 2025

github.com/mattermost/mattermost/server/v8 is fixed in 8.0.0-20251022210333-acda1fb5dd46 and 8.0.0-20251022210333 (Go Modules)

Mattermost fails to to verify the token used during code exchange in github.com/mattermost/mattermost-server

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
github.com/mattermost/mattermost/server/v8Go Modules8.0.0-20251022210333-acda1fb5dd46, 8.0.0-20251022210333

Risk scores

CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

VendorProductVersions
github.commattermost/mattermost-server/v50
github.commattermost/mattermost/server/v80, 0
github.commattermost/mattermost-server0
github.commattermost/mattermost-server/v60

Timeline

  • Dec 15, 2025 CVE Published
  • Mar 3, 2026 CVE Updated
  • May 18, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GO-2025-4170
vulnetix vdb fixes GO-2025-4170

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GO-2025-4170/fixes/registry"

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References

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