PYSEC-2026-2187

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the Origin header validation uses Python's re.match to check incoming origins against the alloworiginpat configuration value. Because re.match only anchors at the start of the string and does not require a...

CVE-2026-40110

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the Origin header validation uses Python's re.match to check incoming origins against the alloworiginpat configuration value. Because re.match only anchors at the start of the string and does not require a...

GHSA-5HGJ-7GM9-CFF5 AVideo: Unauthenticated Arbitrary Email Sending via sendEmail.json.php Enables Phishing from the Site’s Legitimate From Address

Summary objects/sendEmail.json.php exposes two branches depending on whether contactForm=1 is submitted. When the parameter is omitted, the endpoint sets $sendTo to an attacker-supplied email and, for unauthenticated callers, uses the site's own contact email as the message From:/Reply-To:. The...

CVE-2026-28780 Apache HTTP Server: buffer overflow in mod_proxy_ajp via ajp_msg_check_header()

Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to modproxyajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue...

CVE-2026-28780 Apache HTTP Server: buffer overflow in mod_proxy_ajp via ajp_msg_check_header()

Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to modproxyajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue...

CVE-2026-28780

Heap-based Buffer Overflow vulnerability in modproxyajp of Apache HTTP Server. If modproxyajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to modproxyajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue...

CVE-2026-40110 jupyter-server CORS origin validation bypass via unanchored regex in allow_origin_pat

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the Origin header validation uses Python's re.match to check incoming origins against the alloworiginpat configuration value. Because re.match only anchors at the start of the string and does not require a...

CVE-2026-40110 jupyter-server CORS origin validation bypass via unanchored regex in allow_origin_pat

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the Origin header validation uses Python's re.match to check incoming origins against the alloworiginpat configuration value. Because re.match only anchors at the start of the string and does not require a...

CVE-2026-40110

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the Origin header validation uses Python's re.match to check incoming origins against the alloworiginpat configuration value. Because re.match only anchors at the start of the string and does not require a...

tar: Fix of CVE-2019-9923

CVE-2019-9923: fix NULL pointer dereference in paxdecodeheader on malformed PAX extended headers...

CVE-2026-39383

Gotenberg is an API-based document conversion tool. In version 8.29.1, an unauthenticated attacker with network access can force the server to make outbound HTTP POST requests to arbitrary internal or external destinations by supplying a crafted URL in the Gotenberg-Webhook-Url request header. Th...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel in the SessionMiddleware process when the X-Admin-Token HTTP header is accepted from the client and its raw value is used as the authenticated user ID if no Kratos session cookie ...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel in the SessionMiddleware process when the X-Admin-Token HTTP header is accepted from the client and its raw value is used as the authenticated user ID if no Kratos session cookie ...

GHSA-2G9V-7MR5-FGJG DevGuard has an unauthenticated identity assertion via `X-Admin-Token` header

Impact The SessionMiddleware accepts a client-supplied X-Admin-Token HTTP request header and uses its raw string value as the authenticated userID when no Kratos session cookie is present. An unauthenticated attacker who knows or can guess a target user's Kratos identity UUID can issue requests a...

DevGuard has an unauthenticated identity assertion via `X-Admin-Token` header

Impact The SessionMiddleware accepts a client-supplied X-Admin-Token HTTP request header and uses its raw string value as the authenticated userID when no Kratos session cookie is present. An unauthenticated attacker who knows or can guess a target user's Kratos identity UUID can issue requests a...

Authentication Bypass Using an Alternate Path or Channel

Overview Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel in the SessionMiddleware process when the X-Admin-Token HTTP header is accepted from the client and its raw value is used as the authenticated user ID if no Kratos session cookie ...

CVE-2026-39383

Gotenberg (v8.x) is vulnerable to an unauthenticated blind SSRF via the Gotenberg-Webhook-Url header. In 8.29.1, the FilterDeadline gate returns nil when both allow-list and deny-list are empty, allowing outbound HTTP POSTs to arbitrary destinations and enabling internal network probing, forced P...

CVE-2026-39383 Gotenberg unauthenticated blind SSRF via unfiltered webhook URL

Gotenberg is an API-based document conversion tool. In version 8.29.1, an unauthenticated attacker with network access can force the server to make outbound HTTP POST requests to arbitrary internal or external destinations by supplying a crafted URL in the Gotenberg-Webhook-Url request header. Th...

CVE-2026-39383 Gotenberg unauthenticated blind SSRF via unfiltered webhook URL

Gotenberg is an API-based document conversion tool. In version 8.29.1, an unauthenticated attacker with network access can force the server to make outbound HTTP POST requests to arbitrary internal or external destinations by supplying a crafted URL in the Gotenberg-Webhook-Url request header. Th...

CVE-2026-39383

Gotenberg is an API-based document conversion tool. In version 8.29.1, an unauthenticated attacker with network access can force the server to make outbound HTTP POST requests to arbitrary internal or external destinations by supplying a crafted URL in the Gotenberg-Webhook-Url request header. Th...