Beyond Takedown: Measuring Malicious Go Module Persistence in the Wild

We measure an automation-based supply chain campaign in the Go ecosystem. The attackers repackage legitimate Go modules under attacker-controlled owners, and embed them with obfuscated code for an import-triggered downloader. Our results come from two complementary analyses: a a manual search on...

WS-2019-0354

Temporary repository tokens were leaked into Pull Requests comments during certain Go Modules update failure scenarios before version 19.38.7...

openSUSE 16 Security Update : hauler (openSUSE-SU-2026:20711-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20711-1 advisory. Changes in hauler: - update to 1.4.3 bsc1262353, CVE-2026-39984, bsc1262942, CVE-2026-34986: 1.4 Bump go.opentelemetry.io/otel/sdk from 1.40.0 t...

Poisoned Ruby Gems and Go Modules Exploit CI Pipelines for Credential Theft

A new software supply chain attack campaign has been observed using sleeper packages as a conduit to subsequently push malicious payloads that enabled credential theft, GitHub Actions tampering, and SSH persistence. The activity has been attributed to the GitHub account "BufferZoneCorp ," which h...

GO-2026-4889 Fleet's unbounded request body read allows remote Denial of Service in github.com/fleetdm/fleet

Fleet's unbounded request body read allows remote Denial of Service in github.com/fleetdm/fleet. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerabili...

CVE-2026-33487

A flaw was found in goxmlsig, a Go library for XML Digital Signatures. This vulnerability arises from a programming error, specifically a loop variable capture issue, within the validateSignature function. When processing XML Digital Signatures, this error can cause the system to incorrectly...

GO-2026-4786 Mattermost fails to validate user's authentication method when processing account auth type switch in github.com/mattermost/mattermost-server

Mattermost fails to validate user's authentication method when processing account auth type switch in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is...

GO-2026-4749 Mattermost fails to validate team-specific upload_file permissions in github.com/mattermost/mattermost-server

Mattermost fails to validate team-specific uploadfile permissions in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports fro...

GO-2026-4607 ZITADEL has 1-Click Account Takeover via XSS in /saml-post Endpoint in github.com/zitadel/zitadel

ZITADEL has 1-Click Account Takeover via XSS in /saml-post Endpoint in github.com/zitadel/zitadel. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from...

GO-2026-4604 ZITADEL: Login V2 UI Policy Bypass Allows Unauthorized Self-Registration and Authentication in github.com/zitadel/zitadel

ZITADEL: Login V2 UI Policy Bypass Allows Unauthorized Self-Registration and Authentication in github.com/zitadel/zitadel. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positiv...

GO-2026-4459 Mattermost Server vulnerable to XSS through channel headers in github.com/mattermost/mattermost-server

Mattermost Server vulnerable to XSS through channel headers in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from...

Inspecting the Source of Go Modules

Go has indisputably the best package integrity story of any programming language ecosystem. The Go Checksum Database guarantees that every Go client in the world is using the same source for a given Go module and version, forever. It works despite the decentralized nature of Go modules, which can...

CVE-2025-68119

A flaw was found in Golang's cmd/go module. This vulnerability allows a local attacker to achieve local code execution by downloading and building modules with specially crafted malicious version strings. On systems with Mercurial hg installed, this can occur when downloading modules from...

AZL-78939 CVE-2025-68119 affecting package golang 1.25.7-1

Downloading and building modules with malicious version strings can cause local code execution. On systems with Mercurial hg installed, downloading modules from non-standard sources e.g., custom domains can cause unexpected code execution due to how external VCS commands are constructed. This iss...

GO-2025-4169 Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server

Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

CVE-2025-62375: Improper Certificate Validation

go-witness and witness are Go modules for generating attestations. In go-witness versions 0.8.6 and earlier and witness versions 0.9.2 and earlier the AWS attestor improperly verifies AWS EC2 instance identity documents. Verification can incorrectly succeed when a signature is not present or is...

Security update for google-osconfig-agent

This update for google-osconfig-agent fixes the following issues: Update to version 20250416.02 bsc1244304, bsc1244503 defaultSleeper: tolerate 10% difference to reduce test flakiness Add output of some packagemanagers to the testdata from version 20250416.01 Refactor OS Info package from version...

SUSE CVE-2025-48938

go-gh is a collection of Go modules to make authoring GitHub CLI extensions easier. A security vulnerability has been identified in versions prior to 2.12.1 where an attacker-controlled GitHub Enterprise Server could result in executing arbitrary commands on a user's machine by replacing HTTP URL...

CVE-2025-48938 Prevent GitHub CLI and extensions from executing arbitrary commands from compromised GitHub Enterprise Server

go-gh is a collection of Go modules to make authoring GitHub CLI extensions easier. A security vulnerability has been identified in versions prior to 2.12.1 where an attacker-controlled GitHub Enterprise Server could result in executing arbitrary commands on a user's machine by replacing HTTP URL...

CVE-2025-48938

go-gh is a collection of Go modules to make authoring GitHub CLI extensions easier. A security vulnerability has been identified in versions prior to 2.12.1 where an attacker-controlled GitHub Enterprise Server could result in executing arbitrary commands on a user's machine by replacing HTTP URL...