CVE-2026-56864
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Ignore unrelated, unauthenticated hashes in Lookup in golang.org/x/mod/sumdb
A malicious GOSUMDB was capable of serving arbitrary module content not contained within the transparency log. This attack allows for a coordinating GOPROXY and GOSUMDB to serve a client malicious module content that cannot be detected by evaluating the transparency log. In order to determine if you have been affected: rm -r go.sum go.work.sum vendor/ && go mod tidy
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
cmd/go
- Vendor
- Go toolchain
- Product
- cmd/go
- Platforms
- Unknown
- Default status
unaffected- Package
- cmd/go
- Package collection
- https://pkg.go.dev
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | semver | 1.25.13 | Unavailable | None listed |
| 1.26.0-0 | affected | semver | 1.26.6 | Unavailable | None listed |
| 1.27.0-0 | affected | semver | 1.27.0-rc.3 | Unavailable | None listed |
golang.org/x/mod/sumdb
- Vendor
- golang.org/x/mod
- Product
- golang.org/x/mod/sumdb
- Platforms
- Unknown
- Default status
unaffected- Package
- golang.org/x/mod/sumdb
- Package collection
- https://pkg.go.dev
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | affected | semver | 0.40.0 | Unavailable | None listed |