The vulnerabilities of the GOMODPROXY and GOSUMDB modules in the Go programming language allow attackers to circumvent security restrictions and gain access to read and modify data.

The vulnerability of GOMODPROXY and GOSUMDB modules written in the Go programming language is related to improper verification of the cryptographic signature. Exploiting this vulnerability allows a malicious actor to bypass security restrictions and gain access to read and modify data...

CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

SUSE-SU-2026:2092-1 Security update for go1.26-openssl

This update for go1.26-openssl fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: 'go tool...

SUSE-SU-2026:21804-1 Security update for go1.26

This update for go1.26 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: "go tool pack" does...

SUSE SLED15 / SLES15 Security Update : go1.25 (SUSE-SU-2026:1862-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1862-1 advisory. This update for go1.25 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling...

SUSE-SU-2026:1861-1 Security update for go1.26

This update for go1.26 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: 'go tool pack' does...

BIT-GOLANG-2026-42501 Malicious module proxy can bypass checksum database in cmd/go

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

SUSE CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

Linux Distros Unpatched Vulnerability : CVE-2026-42501

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affect...

EUVD-2026-28433

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

DEBIAN-CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

UBUNTU-CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

CVE-2026-42501

CVE-2026-42501 affects the Go toolchain download path via untrusted module proxies (GOMODPROXY) or checksum databases (GOSUMDB). The flaw allows a malicious module proxy to bypass checksum database validation when the Go toolchain is downloaded/selected (via GOTOOLCHAIN, go.work, or go.mod toolch...

CVE-2026-42501 Malicious module proxy can bypass checksum database in cmd/go

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

CVE-2026-42501

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...

GO-2026-4984 Malicious module proxy can bypass checksum database in cmd/go

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy GOMODPROXY or checksum database GOSUMDB. A malicious module proxy can serve altered versions o...