{"schema_version":1,"title":"github.com/xyproto/algernon (Go) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 11 vulnerabilities in github.com/xyproto/algernon (Go): 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-52792, was published on 2 July 2026.","url":"https://junglewise.ai/threats/technologies/github-com-xyproto-algernon","json_url":"https://junglewise.ai/threats/technologies/github-com-xyproto-algernon.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-xyproto-algernon","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":11,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":10},"latest":[{"cve":"CVE-2026-52792","cvss":4,"epss":0.0063,"slug":"cve-2026-52792-xyproto-algernon-source-disclosure-via-ntfs-filename-manipulation","title":"xyproto Algernon source disclosure via NTFS filename manipulation","severity":"high","exploited":false,"published_at":"2026-07-02T20:46:42+00:00","url":"https://junglewise.ai/threats/cve-2026-52792-xyproto-algernon-source-disclosure-via-ntfs-filename-manipulation"},{"slug":"go-2026-5300-algernon-auto-refresh-sse-event-server-binds-to-all-459dcf1f","title":"GO-2026-5300 - Algernon: Auto-refresh SSE event server binds to all interfaces with Access-Control-Allow-Origin: * and no authentication in github.com/xypr","severity":"info","exploited":false,"published_at":"2026-06-25T18:43:19+00:00","url":"https://junglewise.ai/threats/go-2026-5300-algernon-auto-refresh-sse-event-server-binds-to-all-459dcf1f"},{"cve":"CVE-2026-48126","cvss":8.2,"epss":0.005,"slug":"cve-2026-48126-xyproto-algernon-path-traversal-and-rce-via-host-header","title":"xyproto Algernon path traversal and RCE via Host header","severity":"high","exploited":false,"published_at":"2026-05-26T17:16:53.36+00:00","url":"https://junglewise.ai/threats/cve-2026-48126-xyproto-algernon-path-traversal-and-rce-via-host-header"},{"cve":"CVE-2026-46431","cvss":4.3,"epss":0.0031,"slug":"cve-2026-46431-xyproto-algernon-permissive-cors-policy-in-sse-event-server","title":"xyproto Algernon permissive CORS policy in SSE event server","severity":"medium","exploited":false,"published_at":"2026-05-26T17:16:51.1+00:00","url":"https://junglewise.ai/threats/cve-2026-46431-xyproto-algernon-permissive-cors-policy-in-sse-event-server"},{"cve":"CVE-2026-45728","cvss":7.5,"epss":0.0042,"slug":"cve-2026-45728-xyproto-algernon-information-disclosure-in-single-file-mode","title":"xyproto Algernon information disclosure in single-file mode","severity":"high","exploited":false,"published_at":"2026-05-26T17:16:47.9+00:00","url":"https://junglewise.ai/threats/cve-2026-45728-xyproto-algernon-information-disclosure-in-single-file-mode"},{"cve":"CVE-2026-45721","cvss":9,"epss":0.0074,"slug":"cve-2026-45721-xyproto-algernon-remote-code-execution-via-handler-lua-path","title":"xyproto Algernon remote code execution via handler.lua path traversal","severity":"critical","exploited":false,"published_at":"2026-05-26T17:16:47.75+00:00","url":"https://junglewise.ai/threats/cve-2026-45721-xyproto-algernon-remote-code-execution-via-handler-lua-path"},{"cve":"CVE-2026-46430","cvss":4.3,"epss":0.0023,"slug":"cve-2026-46430-xyproto-algernon-insecure-default-bind-address-in-sse-server","title":"xyproto Algernon insecure default bind address in SSE server","severity":"medium","exploited":false,"published_at":"2026-05-20T15:33:56+00:00","url":"https://junglewise.ai/threats/cve-2026-46430-xyproto-algernon-insecure-default-bind-address-in-sse-server"},{"cvss":3.1,"slug":"algernon-auto-refresh-sse-event-server-binds-to-all-interfaces-with-3b4ff703","title":"Algernon: Auto-refresh SSE event server binds to all interfaces with Access-Control-Allow-Origin: * and no authentication","severity":"low","exploited":false,"published_at":"2026-05-19T14:36:34+00:00","url":"https://junglewise.ai/threats/algernon-auto-refresh-sse-event-server-binds-to-all-interfaces-with-3b4ff703"},{"cvss":5.3,"slug":"xyproto-algernon-missing-authentication-in-auto-refresh-sse-server-2a3e2f07","title":"Xyproto Algernon missing authentication in auto-refresh SSE server","severity":"medium","exploited":false,"published_at":"2026-05-19T14:36:34+00:00","url":"https://junglewise.ai/threats/xyproto-algernon-missing-authentication-in-auto-refresh-sse-server-2a3e2f07"},{"cve":"CVE-2025-65754","cvss":4,"epss":0.0044,"slug":"cve-2025-65754-algernon-cross-site-scripting-vulnerability","title":"GO-2025-4228 - Algernon Cross-Site Scripting vulnerability in github.com/xyproto/algernon","severity":"medium","exploited":false,"published_at":"2025-12-15T20:15:46+00:00","url":"https://junglewise.ai/threats/cve-2025-65754-algernon-cross-site-scripting-vulnerability"},{"cve":"CVE-2023-26131","cvss":3.1,"epss":0.0069,"slug":"cve-2023-26131-algernon-engine-and-themes-vulnerable-to-cross-site-scripting","title":"Algernon engine and themes vulnerable to Cross-site Scripting","severity":"low","exploited":false,"published_at":"2023-05-31T06:30:39+00:00","url":"https://junglewise.ai/threats/cve-2023-26131-algernon-engine-and-themes-vulnerable-to-cross-site-scripting"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":1},{"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}],"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/xyproto/algernon (Go)","slug":"github-com-xyproto-algernon","vendor":{"name":"Go","slug":"go","url":"https://junglewise.ai/threats/vendors/go"},"aliases":[],"homepage":"https://algernon.roboticoverlords.org/","repo_url":"https://github.com/xyproto/algernon","description":"A web server with built-in support for Lua, Markdown, HTTP/2, and QUIC.","url":"https://junglewise.ai/threats/technologies/github-com-xyproto-algernon"},"most_severe":[{"cve":"CVE-2026-45721","cvss":9,"epss":0.0074,"slug":"cve-2026-45721-xyproto-algernon-remote-code-execution-via-handler-lua-path","title":"xyproto Algernon remote code execution via handler.lua path traversal","severity":"critical","exploited":false,"published_at":"2026-05-26T17:16:47.75+00:00","url":"https://junglewise.ai/threats/cve-2026-45721-xyproto-algernon-remote-code-execution-via-handler-lua-path"},{"cve":"CVE-2026-48126","cvss":8.2,"epss":0.005,"slug":"cve-2026-48126-xyproto-algernon-path-traversal-and-rce-via-host-header","title":"xyproto Algernon path traversal and RCE via Host header","severity":"high","exploited":false,"published_at":"2026-05-26T17:16:53.36+00:00","url":"https://junglewise.ai/threats/cve-2026-48126-xyproto-algernon-path-traversal-and-rce-via-host-header"},{"cve":"CVE-2026-45728","cvss":7.5,"epss":0.0042,"slug":"cve-2026-45728-xyproto-algernon-information-disclosure-in-single-file-mode","title":"xyproto Algernon information disclosure in single-file mode","severity":"high","exploited":false,"published_at":"2026-05-26T17:16:47.9+00:00","url":"https://junglewise.ai/threats/cve-2026-45728-xyproto-algernon-information-disclosure-in-single-file-mode"},{"cve":"CVE-2026-52792","cvss":4,"epss":0.0063,"slug":"cve-2026-52792-xyproto-algernon-source-disclosure-via-ntfs-filename-manipulation","title":"xyproto Algernon source disclosure via NTFS filename manipulation","severity":"high","exploited":false,"published_at":"2026-07-02T20:46:42+00:00","url":"https://junglewise.ai/threats/cve-2026-52792-xyproto-algernon-source-disclosure-via-ntfs-filename-manipulation"},{"cvss":5.3,"slug":"xyproto-algernon-missing-authentication-in-auto-refresh-sse-server-2a3e2f07","title":"Xyproto Algernon missing authentication in auto-refresh SSE server","severity":"medium","exploited":false,"published_at":"2026-05-19T14:36:34+00:00","url":"https://junglewise.ai/threats/xyproto-algernon-missing-authentication-in-auto-refresh-sse-server-2a3e2f07"},{"cve":"CVE-2026-46431","cvss":4.3,"epss":0.0031,"slug":"cve-2026-46431-xyproto-algernon-permissive-cors-policy-in-sse-event-server","title":"xyproto Algernon permissive CORS policy in SSE event server","severity":"medium","exploited":false,"published_at":"2026-05-26T17:16:51.1+00:00","url":"https://junglewise.ai/threats/cve-2026-46431-xyproto-algernon-permissive-cors-policy-in-sse-event-server"},{"cve":"CVE-2026-46430","cvss":4.3,"epss":0.0023,"slug":"cve-2026-46430-xyproto-algernon-insecure-default-bind-address-in-sse-server","title":"xyproto Algernon insecure default bind address in SSE server","severity":"medium","exploited":false,"published_at":"2026-05-20T15:33:56+00:00","url":"https://junglewise.ai/threats/cve-2026-46430-xyproto-algernon-insecure-default-bind-address-in-sse-server"},{"cve":"CVE-2025-65754","cvss":4,"epss":0.0044,"slug":"cve-2025-65754-algernon-cross-site-scripting-vulnerability","title":"GO-2025-4228 - Algernon Cross-Site Scripting vulnerability in github.com/xyproto/algernon","severity":"medium","exploited":false,"published_at":"2025-12-15T20:15:46+00:00","url":"https://junglewise.ai/threats/cve-2025-65754-algernon-cross-site-scripting-vulnerability"},{"cve":"CVE-2023-26131","cvss":3.1,"epss":0.0069,"slug":"cve-2023-26131-algernon-engine-and-themes-vulnerable-to-cross-site-scripting","title":"Algernon engine and themes vulnerable to Cross-site Scripting","severity":"low","exploited":false,"published_at":"2023-05-31T06:30:39+00:00","url":"https://junglewise.ai/threats/cve-2023-26131-algernon-engine-and-themes-vulnerable-to-cross-site-scripting"},{"cvss":3.1,"slug":"algernon-auto-refresh-sse-event-server-binds-to-all-interfaces-with-3b4ff703","title":"Algernon: Auto-refresh SSE event server binds to all interfaces with Access-Control-Allow-Origin: * and no authentication","severity":"low","exploited":false,"published_at":"2026-05-19T14:36:34+00:00","url":"https://junglewise.ai/threats/algernon-auto-refresh-sse-event-server-binds-to-all-interfaces-with-3b4ff703"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}