Vulnerability · Published Mar 6, 2026 · Assigned by Go

CVE-2026-25679Incorrect parsing of IPv6 host literals in net/url

High 7.5

In plain English

A high-severity security flaw in net/url from Go standard library. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.8%top 42.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8aardvark-dns2:1.10.1-2.module_el8.10.0+3901+4b80ecd7ALSA-2026:33722
AlmaLinux:8aardvark-dns2:1.10.1-2.module_el8.10.0+3909+6e1c1eb7ALSA-2026:33722
AlmaLinux:8aardvark-dns2:1.10.1-2.module_el8.10.0+4089+ce72bbbeALSA-2026:33722
AlmaLinux:8aardvark-dns2:1.10.1-2.module_el8.10.0+4047+545787c4ALSA-2026:33722
AlmaLinux:10buildah2:1.43.1-2.el10_2ALSA-2026:29195
AlmaLinux:10buildah2:1.43.1-1.el10_2ALSA-2026:19032
AlmaLinux:8buildah2:1.33.14-3.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:9buildah2:1.43.1-2.el9_8ALSA-2026:29455
AlmaLinux:10buildah-tests2:1.43.1-2.el10_2ALSA-2026:29195
AlmaLinux:10buildah-tests2:1.43.1-1.el10_2ALSA-2026:19032
AlmaLinux:8buildah-tests2:1.33.14-3.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:8buildah-tests2:1.33.14-3.module_el8.10.0+4136+16425343ALSA-2026:33722
AlmaLinux:9buildah-tests2:1.43.1-2.el9_8ALSA-2026:29455
AlmaLinux:8cockpit-podman84.1-1.module_el8.10.0+4102+6c76e544ALSA-2026:33722
AlmaLinux:8conmon3:2.1.10-1.module_el8.10.0+4068+0e21408fALSA-2026:33722
AlmaLinux:8conmon3:2.1.10-1.module_el8.10.0+3970+8445edf6ALSA-2026:33722
AlmaLinux:8conmon3:2.1.10-1.module_el8.10.0+4090+91932338ALSA-2026:33722
AlmaLinux:8container-selinux2:2.229.0-3.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:8containernetworking-plugins1:1.4.0-8.module_el8.10.0+4136+16425343ALSA-2026:33722
AlmaLinux:9containernetworking-plugins1:1.9.0-3.el9_8ALSA-2026:29703
AlmaLinux:8containers-common2:1-82.module_el8.10.0+3876+e55593a8ALSA-2026:33722
AlmaLinux:8containers-common2:1-82.module_el8.10.0+4089+ce72bbbeALSA-2026:33722
AlmaLinux:8containers-common2:1-82.module_el8.10.0+3901+4b80ecd7ALSA-2026:33722
AlmaLinux:8crit3.18-5.module_el8.10.0+3901+4b80ecd7ALSA-2026:33722
AlmaLinux:8crit3.18-5.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8crit3.18-5.module_el8.10.0+4047+545787c4ALSA-2026:33722
AlmaLinux:8crit3.18-5.module_el8.10.0+3845+87b84552ALSA-2026:33722
AlmaLinux:8criu3.18-5.module_el8.10.0+3876+e55593a8ALSA-2026:33722
AlmaLinux:8criu3.18-5.module_el8.10.0+4089+ce72bbbeALSA-2026:33722
AlmaLinux:8criu3.18-5.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8criu3.18-5.module_el8.10.0+3909+6e1c1eb7ALSA-2026:33722
AlmaLinux:8criu-devel3.18-5.module_el8.10.0+4089+ce72bbbeALSA-2026:33722
AlmaLinux:8criu-devel3.18-5.module_el8.10.0+4016+efd18bf8ALSA-2026:33722
AlmaLinux:8criu-devel3.18-5.module_el8.10.0+4068+0e21408fALSA-2026:33722
AlmaLinux:8criu-devel3.18-5.module_el8.10.0+3858+6ad51f9fALSA-2026:33722
AlmaLinux:8criu-libs3.18-5.module_el8.10.0+4082+f7f0c95eALSA-2026:33722
AlmaLinux:8criu-libs3.18-5.module_el8.10.0+3970+8445edf6ALSA-2026:33722
AlmaLinux:8criu-libs3.18-5.module_el8.10.0+3909+6e1c1eb7ALSA-2026:33722
AlmaLinux:8criu-libs3.18-5.module_el8.10.0+3926+f12484f5ALSA-2026:33722
AlmaLinux:8crun1.14.3-2.module_el8.10.0+4082+f7f0c95eALSA-2026:33722
AlmaLinux:8crun1.14.3-2.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8crun1.14.3-2.module_el8.10.0+4102+6c76e544ALSA-2026:33722
AlmaLinux:10delve1.25.2-3.el10_1ALSA-2026:8842
AlmaLinux:8delve1.25.2-1.module_el8.10.0+4074+24330916ALSA-2026:6949
AlmaLinux:8fuse-overlayfs1.13-1.module_el8.10.0+4082+f7f0c95eALSA-2026:33722
AlmaLinux:8fuse-overlayfs1.13-1.module_el8.10.0+4047+545787c4ALSA-2026:33722
AlmaLinux:8fuse-overlayfs1.13-1.module_el8.10.0+3792+03eaed9cALSA-2026:33722
AlmaLinux:8fuse-overlayfs1.13-1.module_el8.10.0+4068+0e21408fALSA-2026:33722
AlmaLinux:10git-lfs3.7.1-4.el10_2ALSA-2026:19133
AlmaLinux:10git-lfs3.6.1-8.el10_1ALSA-2026:7005
AlmaLinux:8git-lfs3.4.1-10.el8_10ALSA-2026:16875
AlmaLinux:9git-lfs3.6.1-8.el9_7ALSA-2026:7259
AlmaLinux:9git-lfs3.7.1-4.el9_8ALSA-2026:19350
AlmaLinux:9go-filesystem3.6.0-14.el9_7ALSA-2026:8841
AlmaLinux:9go-rpm-macros3.6.0-14.el9_7ALSA-2026:8841
AlmaLinux:9go-rpm-templates3.6.0-14.el9_7ALSA-2026:8841
AlmaLinux:10go-srpm-macros3.6.0-8.el10_1ALSA-2026:8840
AlmaLinux:9go-srpm-macros3.6.0-14.el9_7ALSA-2026:8841
AlmaLinux:10go-toolset1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:8go-toolset1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9go-toolset1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:9go-toolset1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:10golang1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:8golang1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9golang1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:9golang1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:10golang-bin1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:8golang-bin1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9golang-bin1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:9golang-bin1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:10golang-docs1.25.8-1.el10_1.alma.1ALSA-2026:5941
AlmaLinux:10golang-docs1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:8golang-docs1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9golang-docs1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:9golang-docs1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:10golang-misc1.25.8-1.el10_1.alma.1ALSA-2026:5941
AlmaLinux:10golang-misc1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:8golang-misc1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9golang-misc1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:9golang-misc1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:10golang-race1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:8golang-race1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9golang-race1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:9golang-race1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:10golang-src1.25.8-1.el10_1.alma.1ALSA-2026:5941
AlmaLinux:10golang-src1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:8golang-src1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9golang-src1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:9golang-src1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:10golang-tests1.26.2-2.el10_2.alma.1ALSA-2026:19022
AlmaLinux:10golang-tests1.25.8-1.el10_1.alma.1ALSA-2026:5941
AlmaLinux:8golang-tests1.25.8-1.module_el8.10.0+4156+92f0ae2fALSA-2026:6949
AlmaLinux:9golang-tests1.25.8-1.el9_7ALSA-2026:5942
AlmaLinux:9golang-tests1.26.2-1.el9_8ALSA-2026:19181
AlmaLinux:10grafana10.2.6-23.el10_1ALSA-2026:6344
AlmaLinux:8grafana9.2.10-29.el8_10ALSA-2026:7011
AlmaLinux:9grafana10.2.6-19.el9_7ALSA-2026:6382
AlmaLinux:10grafana-pcp5.3.0-3.el10_1ALSA-2026:6388
AlmaLinux:8grafana-pcp5.1.1-13.el8_10ALSA-2026:7009
AlmaLinux:9grafana-pcp5.1.1-13.el9_7ALSA-2026:6383
AlmaLinux:10grafana-selinux10.2.6-23.el10_1ALSA-2026:6344
AlmaLinux:8grafana-selinux9.2.10-29.el8_10ALSA-2026:7011
AlmaLinux:9grafana-selinux10.2.6-19.el9_7ALSA-2026:6382
AlmaLinux:10image-builder31-5.el10_1ALSA-2026:13642
AlmaLinux:9image-builder31-4.el9_7ALSA-2026:13671
AlmaLinux:10ipp-usb0.9.27-5.el10_1.1ALSA-2026:7992
AlmaLinux:8libslirp4.4.0-2.module_el8.10.0+4090+91932338ALSA-2026:33722
AlmaLinux:8libslirp4.4.0-2.module_el8.10.0+4023+db236c53ALSA-2026:33722
AlmaLinux:8libslirp4.4.0-2.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8libslirp4.4.0-2.module_el8.10.0+4089+ce72bbbeALSA-2026:33722
AlmaLinux:8libslirp-devel4.4.0-2.module_el8.10.0+4102+6c76e544ALSA-2026:33722
AlmaLinux:8libslirp-devel4.4.0-2.module_el8.10.0+4068+0e21408fALSA-2026:33722
AlmaLinux:8libslirp-devel4.4.0-2.module_el8.10.0+3970+8445edf6ALSA-2026:33722
AlmaLinux:8libslirp-devel4.4.0-2.module_el8.10.0+4082+f7f0c95eALSA-2026:33722
AlmaLinux:8netavark2:1.10.3-1.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8netavark2:1.10.3-1.module_el8.10.0+4023+db236c53ALSA-2026:33722
AlmaLinux:8netavark2:1.10.3-1.module_el8.10.0+4082+f7f0c95eALSA-2026:33722
AlmaLinux:8netavark2:1.10.3-1.module_el8.10.0+3970+8445edf6ALSA-2026:33722
AlmaLinux:8oci-seccomp-bpf-hook1.2.10-1.module_el8.10.0+3909+6e1c1eb7ALSA-2026:33722
AlmaLinux:8oci-seccomp-bpf-hook1.2.10-1.module_el8.10.0+4068+0e21408fALSA-2026:33722
AlmaLinux:8oci-seccomp-bpf-hook1.2.10-1.module_el8.10.0+4047+545787c4ALSA-2026:33722
AlmaLinux:8oci-seccomp-bpf-hook1.2.10-1.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:10opentelemetry-collector0.144.0-2.el10_2ALSA-2026:19135
AlmaLinux:9opentelemetry-collector0.144.0-2.el9_8ALSA-2026:19353
AlmaLinux:10osbuild-composer149-6.el10_1.alma.3ALSA-2026:13643
AlmaLinux:8osbuild-composer101.4-5.el8_10.alma.1ALSA-2026:8456
AlmaLinux:9osbuild-composer149-5.el9_7.alma.3ALSA-2026:9044
AlmaLinux:10osbuild-composer-core149-6.el10_1.alma.3ALSA-2026:13643
AlmaLinux:8osbuild-composer-core101.4-5.el8_10.alma.1ALSA-2026:8456
AlmaLinux:9osbuild-composer-core149-5.el9_7.alma.3ALSA-2026:9044
AlmaLinux:10osbuild-composer-worker149-6.el10_1.alma.3ALSA-2026:13643
AlmaLinux:8osbuild-composer-worker101.4-5.el8_10.alma.1ALSA-2026:8456
AlmaLinux:9osbuild-composer-worker149-5.el9_7.alma.3ALSA-2026:9044
AlmaLinux:10podman7:5.8.2-1.el10_2.alma.1ALSA-2026:19017
AlmaLinux:8podman4:4.9.4-31.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:8podman-catatonit4:4.9.4-31.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:10podman-docker7:5.8.2-1.el10_2.alma.1ALSA-2026:19017
AlmaLinux:8podman-docker4:4.9.4-31.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:8podman-gvproxy4:4.9.4-31.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:8podman-plugins4:4.9.4-31.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:10podman-remote7:5.8.2-1.el10_2.alma.1ALSA-2026:19017
AlmaLinux:8podman-remote4:4.9.4-31.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:10podman-tests7:5.8.2-1.el10_2.alma.1ALSA-2026:19017
AlmaLinux:8podman-tests4:4.9.4-31.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:8python3-criu3.18-5.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8python3-criu3.18-5.module_el8.10.0+3876+e55593a8ALSA-2026:33722
AlmaLinux:8python3-criu3.18-5.module_el8.10.0+3970+8445edf6ALSA-2026:33722
AlmaLinux:8python3-criu3.18-5.module_el8.10.0+3901+4b80ecd7ALSA-2026:33722
AlmaLinux:8python3-podman4.9.0-3.module_el8.10.0+4016+efd18bf8ALSA-2026:33722
AlmaLinux:8runc4:1.2.9-4.module_el8.10.0+4136+16425343ALSA-2026:33722
AlmaLinux:9runc4:1.4.2-2.el9_8ALSA-2026:29702
AlmaLinux:10skopeo2:1.22.2-2.el10_2ALSA-2026:29035
AlmaLinux:10skopeo2:1.22.2-1.el10_2ALSA-2026:19031
AlmaLinux:8skopeo2:1.14.6-2.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:9skopeo2:1.22.2-7.el9_8ALSA-2026:36317
AlmaLinux:10skopeo-tests2:1.22.2-2.el10_2ALSA-2026:29035
AlmaLinux:10skopeo-tests2:1.22.2-1.el10_2ALSA-2026:19031
AlmaLinux:8skopeo-tests2:1.14.6-2.module_el8.10.0+4211+49ea0979ALSA-2026:33722
AlmaLinux:9skopeo-tests2:1.22.2-7.el9_8ALSA-2026:36317
AlmaLinux:8slirp4netns1.2.3-1.module_el8.10.0+4047+545787c4ALSA-2026:33722
AlmaLinux:8slirp4netns1.2.3-1.module_el8.10.0+4023+db236c53ALSA-2026:33722
AlmaLinux:8slirp4netns1.2.3-1.module_el8.10.0+3926+f12484f5ALSA-2026:33722
AlmaLinux:8slirp4netns1.2.3-1.module_el8.10.0+4082+f7f0c95eALSA-2026:33722
AlmaLinux:8toolbox0.0.99.5.1-1.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8toolbox-tests0.0.99.5.1-1.module_el8.10.0+4120+03ad4b47ALSA-2026:33722
AlmaLinux:8udica0.2.6-21.module_el8.10.0+4068+0e21408fALSA-2026:33722
AlmaLinux:10yggdrasil0.4.9-4.el10_2ALSA-2026:19126
AlmaLinux:10yggdrasil0.4.8-4.el10_1ALSA-2026:11413
AlmaLinux:10yggdrasil-devel0.4.9-4.el10_2ALSA-2026:19126
AlmaLinux:10yggdrasil-devel0.4.8-4.el10_1ALSA-2026:11413
AlmaLinux:10yggdrasil-worker-package-manager0.2.3-6.el10_2ALSA-2026:19128
AlmaLinux:10yggdrasil-worker-package-manager0.2.3-5.el10_1ALSA-2026:11412
Alpine:v3.23go1.25.8-r0ALPINE-CVE-2026-25679
Alpine:v3.24go1.25.8-r0ALPINE-CVE-2026-25679
Alpine:v3.24rclone1.73.5-r0ALPINE-CVE-2026-25679
Debian:14golang-1.261.26.1-1DEBIAN-CVE-2026-25679
Gostdlib1.25.8, 1.26.1GO-2026-4601
Rocky Linux:8aardvark-dns2:1.10.1-2.module+el8.10.0+1874+ce489889RLSA-2026:33722
Rocky Linux:8aardvark-dns2:1.10.1-2.module+el8.10.0+40133+32c21f88RLSA-2026:33722
Rocky Linux:8aardvark-dns2:1.10.1-2.module+el8.10.0+40047+0c0a73f4RLSA-2026:33722
Rocky Linux:8aardvark-dns2:1.10.1-2.module+el8.10.0+1880+8e896d1bRLSA-2026:33722
Rocky Linux:8aardvark-dns2:1.10.1-2.module+el8.10.0+1896+b18fa106RLSA-2026:33722
Rocky Linux:8aardvark-dns2:1.10.1-2.module+el8.10.0+2001+6a33db9fRLSA-2026:33722
Rocky Linux:8aardvark-dns2:1.10.1-2.module+el8.10.0+1948+4b5cd4a9RLSA-2026:33722
Rocky Linux:10buildah2:1.43.1-2.el10_2RLSA-2026:29195
Rocky Linux:10buildah2:1.43.1-1.el10_2RLSA-2026:19032
Rocky Linux:8buildah2:1.33.14-3.module+el8.10.0+40133+32c21f88RLSA-2026:33722
Rocky Linux:9buildah2:1.43.1-2.el9_8RLSA-2026:29455
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1948+4b5cd4a9RLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1843+6892ab28RLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1825+623b0c20RLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1874+ce489889RLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1872+2e18eb19RLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1815+5fe7415eRLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+2001+6a33db9fRLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+40047+0c0a73f4RLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1880+8e896d1bRLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+1896+b18fa106RLSA-2026:33722
Rocky Linux:8cockpit-podman0:84.1-1.module+el8.10.0+40133+32c21f88RLSA-2026:33722
Rocky Linux:8conmon3:2.1.10-1.module+el8.10.0+1948+4b5cd4a9RLSA-2026:33722

Affected products (as reported)

VendorProductVersions
Go standard library net/url 0 – before 1.25.81.26.0-0 – before 1.26.1

Weakness: CWE-1286 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References