{"schema_version":1,"title":"go (Go) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in go (Go): 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-56853, was published on 13 August 2026.","url":"https://junglewise.ai/threats/technologies/go","json_url":"https://junglewise.ai/threats/technologies/go.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/go","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":4,"critical":1,"exploited":1,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":3},"latest":[{"cve":"CVE-2026-56853","cvss":7.5,"epss":0.0057,"slug":"cve-2026-56853-go-http-2-timeout-bypass-in-unencrypted-connections","title":"Go HTTP/2 timeout bypass in unencrypted connections","severity":"high","exploited":false,"published_at":"2026-08-13T22:17:22.093+00:00","url":"https://junglewise.ai/threats/cve-2026-56853-go-http-2-timeout-bypass-in-unencrypted-connections"},{"cve":"CVE-2026-33810","cvss":8.2,"epss":0.0034,"slug":"cve-2026-33810-google-go-crypto-x509-improper-dns-constraint-validation","title":"Google Go crypto/x509 improper DNS constraint validation","severity":"high","exploited":false,"published_at":"2026-04-08T02:16:03.95+00:00","url":"https://junglewise.ai/threats/cve-2026-33810-google-go-crypto-x509-improper-dns-constraint-validation"},{"cve":"CVE-2026-27137","cvss":7.5,"epss":0.0066,"slug":"cve-2026-27137-google-go-crypto-x509-improper-certificate-validation-in-email","title":"Google Go crypto/x509 improper certificate validation in email constraints","severity":"high","exploited":false,"published_at":"2026-03-06T22:16:00.85+00:00","url":"https://junglewise.ai/threats/cve-2026-27137-google-go-crypto-x509-improper-certificate-validation-in-email"},{"cve":"CVE-2020-0601","cvss":8.1,"epss":0.8944,"slug":"cve-2020-0601-microsoft-windows-cryptoapi-spoofing-vulnerability","title":"GO-2022-0535 - Certificate validation bypass on Windows in crypto/x509","severity":"critical","exploited":true,"published_at":"2022-08-01T22:21:17+00:00","url":"https://junglewise.ai/threats/cve-2020-0601-microsoft-windows-cryptoapi-spoofing-vulnerability"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"github.com/siyuan-note/siyuan/kernel (Go)","slug":"github-com-siyuan-note-siyuan-kernel","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel"},{"name":"code.gitea.io/gitea (Go)","slug":"code-gitea-io-gitea","vulnerabilities":76,"url":"https://junglewise.ai/threats/technologies/code-gitea-io-gitea"},{"name":"github.com/rclone/rclone (Go)","slug":"github-com-rclone-rclone","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/github-com-rclone-rclone"},{"name":"gogs.io/gogs (Go)","slug":"gogs-io-gogs","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/gogs-io-gogs"},{"name":"github.com/filebrowser/filebrowser/v2 (Go)","slug":"github-com-filebrowser-filebrowser-v2","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-filebrowser-filebrowser-v2"},{"name":"github.com/fission/fission (Go)","slug":"github-com-fission-fission","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-fission-fission"},{"name":"github.com/klever-io/klever-go (Go)","slug":"github-com-klever-io-klever-go","vulnerabilities":18,"url":"https://junglewise.ai/threats/technologies/github-com-klever-io-klever-go"},{"name":"code.vikunja.io/api (Go)","slug":"code-vikunja-io-api","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/code-vikunja-io-api"},{"name":"github.com/cloudreve/Cloudreve/v4 (Go)","slug":"github-com-cloudreve-cloudreve-v4","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/github-com-cloudreve-cloudreve-v4"},{"name":"github.com/gotenberg/gotenberg/v8 (Go)","slug":"github-com-gotenberg-gotenberg-v8","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/github-com-gotenberg-gotenberg-v8"},{"name":"github.com/nezhahq/nezha (Go)","slug":"github-com-nezhahq-nezha","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/github-com-nezhahq-nezha"},{"name":"github.com/fleetdm/fleet/v4 (Go)","slug":"github-com-fleetdm-fleet-v4","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/github-com-fleetdm-fleet-v4"}],"technology":{"hub":true,"name":"go (Go)","slug":"go","vendor":{"name":"Go","slug":"go","url":"https://junglewise.ai/threats/vendors/go"},"aliases":[],"homepage":"https://go.dev/","repo_url":"https://github.com/golang/go","description":"An open-source programming language designed for concurrency and efficiency.","url":"https://junglewise.ai/threats/technologies/go"},"most_severe":[{"cve":"CVE-2020-0601","cvss":8.1,"epss":0.8944,"slug":"cve-2020-0601-microsoft-windows-cryptoapi-spoofing-vulnerability","title":"GO-2022-0535 - Certificate validation bypass on Windows in crypto/x509","severity":"critical","exploited":true,"published_at":"2022-08-01T22:21:17+00:00","url":"https://junglewise.ai/threats/cve-2020-0601-microsoft-windows-cryptoapi-spoofing-vulnerability"},{"cve":"CVE-2026-33810","cvss":8.2,"epss":0.0034,"slug":"cve-2026-33810-google-go-crypto-x509-improper-dns-constraint-validation","title":"Google Go crypto/x509 improper DNS constraint validation","severity":"high","exploited":false,"published_at":"2026-04-08T02:16:03.95+00:00","url":"https://junglewise.ai/threats/cve-2026-33810-google-go-crypto-x509-improper-dns-constraint-validation"},{"cve":"CVE-2026-27137","cvss":7.5,"epss":0.0066,"slug":"cve-2026-27137-google-go-crypto-x509-improper-certificate-validation-in-email","title":"Google Go crypto/x509 improper certificate validation in email constraints","severity":"high","exploited":false,"published_at":"2026-03-06T22:16:00.85+00:00","url":"https://junglewise.ai/threats/cve-2026-27137-google-go-crypto-x509-improper-certificate-validation-in-email"},{"cve":"CVE-2026-56853","cvss":7.5,"epss":0.0057,"slug":"cve-2026-56853-go-http-2-timeout-bypass-in-unencrypted-connections","title":"Go HTTP/2 timeout bypass in unencrypted connections","severity":"high","exploited":false,"published_at":"2026-08-13T22:17:22.093+00:00","url":"https://junglewise.ai/threats/cve-2026-56853-go-http-2-timeout-bypass-in-unencrypted-connections"}],"generated_at":"2026-09-26T16:07:00.132667+00:00"}