https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 03 Nov 2026 12:07:26 +0000 https://db.gcve.eu/vuln/fkie_cve-2026-115683 <p>A race condition in Epiphany allows a malicious website to bypass the TLS/SSL certificate warning page.</p> <p>Epiphany registers the main-world script message handler &#34;tlsErrorPage&#34; so its internal TLS error page can implement &#34;Accept Risk and Proceed&#34;. The handler was registered immediately before loading the error page, leaving a brief window where the previously loaded untrusted origin could still call window.webkit.messageHandlers.tlsErrorPage.postMessage(...). The only authorization check compares a numeric WebKit page id that increments predictably; an attacker can burst-guess ids and approve a certificate exception with no user click.</p> <p>If a victim visits malicious site A that redirects to site B with an invalid certificate, site A can, for a few milliseconds, disable TLS certificate error warnings for host B until Epiphany is restarted, enabling man-in-the-middle or site spoofing for that host.</p> <p>Upstream report: https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2978 Proof of concept: https://beford.net/poc/ssl_poc.html Fix: https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2245 (register handlers on LOAD_COMMITTED). No fixed release tagged yet; reporter and maintainer describe all current versions as affected. Maintainer notes the risky registration timing dates to commit 1da1caed (Epiphany 45.x era); before that the handlers were always registered and similarly reachable from web content.</p> <p>A race condition in Epiphany allows a malicious website to bypass the TLS/SSL certificate warning page.</p> <p>Epiphany registers the main-world script message handler &#34;tlsErrorPage&#34; so its internal TLS error page can implement &#34;Accept Risk and Proceed&#34;. The handler was registered immediately before loading the error page, leaving a brief window where the previously loaded untrusted origin could still call window.webkit.messageHandlers.tlsErrorPage.postMessage(...). The only authorization check compares a numeric WebKit page id that increments predictably; an attacker can burst-guess ids and approve a certificate exception with no user click.</p> <p>If a victim visits malicious site A that redirects to site B with an invalid certificate, site A can, for a few milliseconds, disable TLS certificate error warnings for host B until Epiphany is restarted, enabling man-in-the-middle or site spoofing for that host.</p> <p>Upstream report: https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2978 Proof of concept: https://beford.net/poc/ssl_poc.html Fix: https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2245 (register handlers on LOAD_COMMITTED). No fixed release tagged yet; reporter and maintainer describe all current versions as affected. Maintainer notes the risky registration timing dates to commit 1da1caed (Epiphany 45.x era); before that the handlers were always registered and similarly reachable from web content.</p> https://db.gcve.eu/vuln/fkie_cve-2026-115683 https://db.gcve.eu/vuln/ghsa-rgq4-6fxx-v9rg <p>A race condition in Epiphany allows a malicious website to bypass the TLS/SSL certificate warning page.</p> <p>Epiphany registers the main-world script message handler &#34;tlsErrorPage&#34; so its internal TLS error page can implement &#34;Accept Risk and Proceed&#34;. The handler was registered immediately before loading the error page, leaving a brief window where the previously loaded untrusted origin could still call window.webkit.messageHandlers.tlsErrorPage.postMessage(...). The only authorization check compares a numeric WebKit page id that increments predictably; an attacker can burst-guess ids and approve a certificate exception with no user click.</p> <p>If a victim visits malicious site A that redirects to site B with an invalid certificate, site A can, for a few milliseconds, disable TLS certificate error warnings for host B until Epiphany is restarted, enabling man-in-the-middle or site spoofing for that host.</p> <p>Upstream report: https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2978 Proof of concept: https://beford.net/poc/ssl_poc.html Fix: https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2245 (register handlers on LOAD_COMMITTED). No fixed release tagged yet; reporter and maintainer describe all current versions as affected. Maintainer notes the risky registration timing dates to commit 1da1caed (Epiphany 45.x era); before that the handlers were always registered and similarly reachable from web content.</p> <p>A race condition in Epiphany allows a malicious website to bypass the TLS/SSL certificate warning page.</p> <p>Epiphany registers the main-world script message handler &#34;tlsErrorPage&#34; so its internal TLS error page can implement &#34;Accept Risk and Proceed&#34;. The handler was registered immediately before loading the error page, leaving a brief window where the previously loaded untrusted origin could still call window.webkit.messageHandlers.tlsErrorPage.postMessage(...). The only authorization check compares a numeric WebKit page id that increments predictably; an attacker can burst-guess ids and approve a certificate exception with no user click.</p> <p>If a victim visits malicious site A that redirects to site B with an invalid certificate, site A can, for a few milliseconds, disable TLS certificate error warnings for host B until Epiphany is restarted, enabling man-in-the-middle or site spoofing for that host.</p> <p>Upstream report: https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2978 Proof of concept: https://beford.net/poc/ssl_poc.html Fix: https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2245 (register handlers on LOAD_COMMITTED). No fixed release tagged yet; reporter and maintainer describe all current versions as affected. Maintainer notes the risky registration timing dates to commit 1da1caed (Epiphany 45.x era); before that the handlers were always registered and similarly reachable from web content.</p> https://db.gcve.eu/vuln/ghsa-rgq4-6fxx-v9rg https://db.gcve.eu/vuln/ubuntu-cve-2026-115683 <p><strong>Affected:</strong> Ubuntu:16.04:LTS: epiphany-browser, Ubuntu:18.04:LTS: epiphany-browser, Ubuntu:20.04:LTS: epiphany-browser, Ubuntu:22.04:LTS: epiphany-browser, Ubuntu:24.04:LTS: epiphany-browser, Ubuntu:26.10: epiphany-browser, Ubuntu:26.04:LTS: epiphany-browser</p> <p>[Unknown description]</p> <p><strong>Affected:</strong> Ubuntu:16.04:LTS: epiphany-browser, Ubuntu:18.04:LTS: epiphany-browser, Ubuntu:20.04:LTS: epiphany-browser, Ubuntu:22.04:LTS: epiphany-browser, Ubuntu:24.04:LTS: epiphany-browser, Ubuntu:26.10: epiphany-browser, Ubuntu:26.04:LTS: epiphany-browser</p> <p>[Unknown description]</p> https://db.gcve.eu/vuln/ubuntu-cve-2026-115683