{"schema_version":1,"title":"github.com/cloudflare/circl (Go) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in github.com/cloudflare/circl (Go): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-1229, was published on 27 February 2026.","url":"https://junglewise.ai/threats/technologies/github-com-cloudflare-circl","json_url":"https://junglewise.ai/threats/technologies/github-com-cloudflare-circl.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/github-com-cloudflare-circl","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":1},"latest":[{"cve":"CVE-2026-1229","cvss":4,"epss":0.0039,"slug":"cve-2026-1229-circl-has-an-incorrect-calculation-in-secp384r1-combinedmult","title":"GO-2026-4550 - CIRCL has an incorrect calculation in secp384r1 CombinedMult in github.com/cloudflare/circl","severity":"medium","exploited":false,"published_at":"2026-02-27T02:17:00+00:00","url":"https://junglewise.ai/threats/cve-2026-1229-circl-has-an-incorrect-calculation-in-secp384r1-combinedmult"},{"cvss":3.1,"slug":"duplicate-advisory-circl-fourq-missing-and-wrong-validation-can-lead-to-df43a87c","title":"Duplicate Advisory: CIRCL-Fourq: Missing and wrong validation can lead to incorrect results","severity":"low","exploited":false,"published_at":"2025-08-06T09:30:37+00:00","url":"https://junglewise.ai/threats/duplicate-advisory-circl-fourq-missing-and-wrong-validation-can-lead-to-df43a87c"},{"cve":"CVE-2025-8556","cvss":3.1,"epss":0.0049,"slug":"cve-2025-8556-circl-fourq-missing-and-wrong-validation-can-lead-to-incorrect","title":"GO-2025-3754 - CIRCL-Fourq: Missing and wrong validation can lead to incorrect results in github.com/cloudflare/circl","severity":"low","exploited":false,"published_at":"2025-06-11T17:45:49+00:00","url":"https://junglewise.ai/threats/cve-2025-8556-circl-fourq-missing-and-wrong-validation-can-lead-to-incorrect"},{"slug":"go-2024-2453-timing-side-channel-in-github-com-cloudflare-circl-86e2bcc1","title":"GO-2024-2453 - Timing side channel in github.com/cloudflare/circl","severity":"info","exploited":false,"published_at":"2024-01-18T23:40:46+00:00","url":"https://junglewise.ai/threats/go-2024-2453-timing-side-channel-in-github-com-cloudflare-circl-86e2bcc1"},{"slug":"circl-s-kyber-timing-side-channel-kyberslash2-9a5b4be8","title":"CIRCL's Kyber: timing side-channel (kyberslash2)","severity":"info","exploited":false,"published_at":"2024-01-08T16:45:05+00:00","url":"https://junglewise.ai/threats/circl-s-kyber-timing-side-channel-kyberslash2-9a5b4be8"},{"cve":"CVE-2023-1732","cvss":3.1,"epss":0.0039,"slug":"cve-2023-1732-improper-random-reading-in-circl","title":"GO-2023-1765 - Leaked shared secret and weak blinding in github.com/cloudflare/circl","severity":"low","exploited":false,"published_at":"2023-05-24T15:32:51+00:00","url":"https://junglewise.ai/threats/cve-2023-1732-improper-random-reading-in-circl"}],"weekly":[{"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":0},{"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},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"github.com/mattermost/mattermost-server (Go)","slug":"github-com-mattermost-mattermost-server","vulnerabilities":274,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server"},{"name":"github.com/mattermost/mattermost-server/v6 (Go)","slug":"github-com-mattermost-mattermost-server-v6","vulnerabilities":188,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6"},{"name":"github.com/mattermost/mattermost-server/v5 (Go)","slug":"github-com-mattermost-mattermost-server-v5","vulnerabilities":186,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5"},{"name":"github.com/mattermost/mattermost/server/v8 (Go)","slug":"github-com-mattermost-mattermost-server-v8","vulnerabilities":182,"url":"https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8"},{"name":"stdlib (Go)","slug":"go-stdlib","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/go-stdlib"},{"name":"github.com/siyuan-note/siyuan/kernel (Go)","slug":"github-com-siyuan-note-siyuan-kernel","vulnerabilities":158,"url":"https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel"},{"name":"code.gitea.io/gitea (Go)","slug":"code-gitea-io-gitea","vulnerabilities":128,"url":"https://junglewise.ai/threats/technologies/code-gitea-io-gitea"},{"name":"gogs.io/gogs (Go)","slug":"gogs-io-gogs","vulnerabilities":82,"url":"https://junglewise.ai/threats/technologies/gogs-io-gogs"},{"name":"github.com/traefik/traefik (Go)","slug":"github-com-traefik-traefik","vulnerabilities":75,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik"},{"name":"github.com/usememos/memos (Go)","slug":"github-com-usememos-memos","vulnerabilities":75,"url":"https://junglewise.ai/threats/technologies/github-com-usememos-memos"},{"name":"github.com/traefik/traefik/v2 (Go)","slug":"github-com-traefik-traefik-v2","vulnerabilities":73,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2"},{"name":"github.com/traefik/traefik/v3 (Go)","slug":"github-com-traefik-traefik-v3","vulnerabilities":68,"url":"https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v3"}],"technology":{"hub":true,"name":"github.com/cloudflare/circl (Go)","slug":"github-com-cloudflare-circl","vendor":{"name":"Go","slug":"go","url":"https://junglewise.ai/threats/vendors/go"},"aliases":[],"url":"https://junglewise.ai/threats/technologies/github-com-cloudflare-circl"},"most_severe":[{"cve":"CVE-2026-1229","cvss":4,"epss":0.0039,"slug":"cve-2026-1229-circl-has-an-incorrect-calculation-in-secp384r1-combinedmult","title":"GO-2026-4550 - CIRCL has an incorrect calculation in secp384r1 CombinedMult in github.com/cloudflare/circl","severity":"medium","exploited":false,"published_at":"2026-02-27T02:17:00+00:00","url":"https://junglewise.ai/threats/cve-2026-1229-circl-has-an-incorrect-calculation-in-secp384r1-combinedmult"},{"cve":"CVE-2025-8556","cvss":3.1,"epss":0.0049,"slug":"cve-2025-8556-circl-fourq-missing-and-wrong-validation-can-lead-to-incorrect","title":"GO-2025-3754 - CIRCL-Fourq: Missing and wrong validation can lead to incorrect results in github.com/cloudflare/circl","severity":"low","exploited":false,"published_at":"2025-06-11T17:45:49+00:00","url":"https://junglewise.ai/threats/cve-2025-8556-circl-fourq-missing-and-wrong-validation-can-lead-to-incorrect"},{"cve":"CVE-2023-1732","cvss":3.1,"epss":0.0039,"slug":"cve-2023-1732-improper-random-reading-in-circl","title":"GO-2023-1765 - Leaked shared secret and weak blinding in github.com/cloudflare/circl","severity":"low","exploited":false,"published_at":"2023-05-24T15:32:51+00:00","url":"https://junglewise.ai/threats/cve-2023-1732-improper-random-reading-in-circl"},{"cvss":3.1,"slug":"duplicate-advisory-circl-fourq-missing-and-wrong-validation-can-lead-to-df43a87c","title":"Duplicate Advisory: CIRCL-Fourq: Missing and wrong validation can lead to incorrect results","severity":"low","exploited":false,"published_at":"2025-08-06T09:30:37+00:00","url":"https://junglewise.ai/threats/duplicate-advisory-circl-fourq-missing-and-wrong-validation-can-lead-to-df43a87c"},{"slug":"go-2024-2453-timing-side-channel-in-github-com-cloudflare-circl-86e2bcc1","title":"GO-2024-2453 - Timing side channel in github.com/cloudflare/circl","severity":"info","exploited":false,"published_at":"2024-01-18T23:40:46+00:00","url":"https://junglewise.ai/threats/go-2024-2453-timing-side-channel-in-github-com-cloudflare-circl-86e2bcc1"},{"slug":"circl-s-kyber-timing-side-channel-kyberslash2-9a5b4be8","title":"CIRCL's Kyber: timing side-channel (kyberslash2)","severity":"info","exploited":false,"published_at":"2024-01-08T16:45:05+00:00","url":"https://junglewise.ai/threats/circl-s-kyber-timing-side-channel-kyberslash2-9a5b4be8"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}