CVE-2026-32281
Vulnerability Summary
Timeline
Description
Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v3.1•MEDIUM•Score: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.36%• Percentile: 29%
Techniques & Countermeasures
- CWE-295•Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
Affected Systems
- chainguard•aactl
< 0.4.12-r53
- chainguard•act
< 0.2.87-r2
- chainguard•actions-runner-controller
< 0.14.1-r0
- chainguard•actions-runner-controller-fips
< 0.14.1-r0
- chainguard•addon-resizer
< 1.8.23-r17
- chainguard•addon-resizer-fips
< 1.8.23-r18
- chainguard•age
< 0
- chainguard•age-fips
< 0
- chainguard•agentbeat
< 9.2.7-r4
- chainguard•agentbeat-fips
< 9.2.7-r5
- chainguard•amass
< 5.1.1-r5 | < 5.1.1-r0
- chainguard•amazon-cloudwatch-agent
< 1.300066.1-r2
- chainguard•amazon-cloudwatch-agent-amazon-cloudwatch-agent-config-wizard
< 0
- chainguard•amazon-cloudwatch-agent-amazon-cloudwatch-agent-config-wizard-fips
< 0
- chainguard•amazon-cloudwatch-agent-config-downloader
< 0
- chainguard•amazon-cloudwatch-agent-config-downloader-fips
< 0
- chainguard•amazon-cloudwatch-agent-config-translator
< 0
- chainguard•amazon-cloudwatch-agent-config-translator-fips
< 0
- chainguard•amazon-cloudwatch-agent-fips
< 1.300069.0-r1
- chainguard•amazon-cloudwatch-agent-operator
< 3.4.2-r3
- chainguard•amazon-cloudwatch-agent-operator-fips
< 3.4.2-r4 | < 3.3.3-r1
- chainguard•amazon-cloudwatch-agent-start-amazon-cloudwatch-agent
< 0
- chainguard•amazon-cloudwatch-agent-start-amazon-cloudwatch-agent-fips
< 0
- chainguard•amazon-ecs-agent
< 1.103.2-r0
- chainguard•amazon-ecs-agent-fips
< 1.103.2-r0
- chainguard•amazon-ecs-cni-plugins
< 2024.9.0_git20260522-r1
- chainguard•amazon-ecs-cni-plugins-fips
< 2024.9.0_git20260306-r2
- chainguard•amazon-eks-ami
< 20260527-r0
- chainguard•amazon-eks-ami-fips
< 20260527-r0
- chainguard•amazon-k8s-cni
< 1.21.1-r5 | < 1.22.1-r0
- chainguard•amazon-k8s-cni-compat
< 1.21.1-r5
- chainguard•amazon-k8s-cni-fips
< 1.21.1-r6
- chainguard•amazon-k8s-cni-init
< 1.22.1-r0 | < 1.21.1-r5
- chainguard•amazon-k8s-cni-init-compat
< 1.21.1-r5
- chainguard•amazon-k8s-cni-init-fips
< 1.21.1-r6
- chainguard•amazon-k8s-cni-init-fips-compat
< 1.21.1-r6 | < 0
- chainguard•amazon-ssm-agent
< 3.3.4515.0-r2
- chainguard•amazon-ssm-agent-ecs-exec
< 3.3.4515.0-r2
- chainguard•amazon-ssm-agent-ecs-exec-fips
< 3.3.4515.0-r3
- chainguard•amazon-ssm-agent-fips
< 3.3.4515.0-r3
- chainguard•amazon-vpc-cni-plugins
< 1.3_git20260307-r4
- chainguard•amazon-vpc-cni-plugins-fips
< 1.3_git20260307-r2
- chainguard•apache-beam-java-11-sdk
< 2.73.0-r0
- chainguard•apache-beam-java-17-sdk
< 2.73.0-r0
- chainguard•apache-beam-java-21-sdk
< 2.73.0-r0
- chainguard•apache-beam-python-3.11-sdk
< 2.73.0-r6
- chainguard•apache-beam-python-3.12-sdk
< 2.72.0-r2
- chainguard•apache-beam-python-3.13-sdk
< 2.73.0-r4
- chainguard•apache-exporter
< 1.0.12-r6
- chainguard•apisix-ingress-controller
< 2.0.1-r10
Showing first 50 affected entries in server-rendered view.
References (16)
- https://go.dev/cl/758061
- https://go.dev/issue/78281
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
- https://pkg.go.dev/vuln/GO-2026-4946
- https://access.redhat.com/errata/RHSA-2026:27711
- https://access.redhat.com/security/updates/classification/#moderate
- https://bugzilla.redhat.com/show_bug.cgi?id=2456333
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_27711.json
- https://access.redhat.com/security/cve/CVE-2026-32281
- https://www.cve.org/CVERecord?id=CVE-2026-32281
- https://nvd.nist.gov/vuln/detail/CVE-2026-32281
- https://access.redhat.com/errata/RHSA-2026:27740
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_27740.json
- https://security-tracker.debian.org/tracker/CVE-2026-32281
- https://pkg.go.dev
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32281.json