CVE catalog
CVE-2026-27137
When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will no
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.63% · Oct 25, 2026
When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly applied, and only the last constraint will be considered.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | golang-1.19 | bookworm | 1.19.8-2 | not affected |
| Go | stdlib | Not reported | 1.26.1 | fixed |
| Cpe | go | Not reported | Not reported | unknown |
| Opensuse | kubelogin | tumbleweed | 0.2.18-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | golang-1.19 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Go | stdlib | Go | Not reported | 1.26.1 | Not reported | Not reported | Not reported |
| Opensuse | kubelogin | rpm | tumbleweed | 0.2.18-1.1 | Not reported | OPENSUSE-SU-2026:10909-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [golang-1.19]Not affected
Details (2)
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
- [golang-1.19-doc]Not affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
- [golang-1.19-go]Not affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· amd64 · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· arm64 · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
- [golang-1.19-src]Not affected
Source package: [golang-1.19]
Details (2)
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
1.19.8-2· all · bookwormNot affected
nvd · golang-1.19 · debian · bookworm
[openSUSE Tumbleweed]
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2026_49712.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-27137]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-27137]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10909-1]
- [https://pkg.go.dev/vuln/GO-2026-4599]
- [https://security-tracker.debian.org/tracker/CVE-2026-27137]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27137.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1730.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [Go Vulnerability Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]