Jupyter Server: 5xx request logging leaks token-bearing Referer header values

Summary When a request returns a 500, jupyterserver/log.py logs a small JSON block of request headers. The Referer header was copied into it as-is, so a token in the Referer URL ended up in the logs in plain text. Impact Anyone who can read the server logs can pick tokens out of these 500 entries...

Insertion of Sensitive Information into Log File

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File via the logrequest function in jupyterserver/log.py, which logs the full Referer header value without sanitization. When a request causes a 500 error, the Referer header - which may conta...

CVE-2026-86049 Jupyter Server: 5xx request logging leaks token-bearing Referer header values

Jupyter Server is the backend for Jupyter web applications. Prior to version 2.21.0, the 5xx request logging path in jupyterserver/log.py copies the Referer header into a JSON header block without applying the token scrubbing used for the request URI. A request that returns HTTP 500 while the...

EUVD-2026-82436

Jupyter Server is the backend for Jupyter web applications. Prior to version 2.21.0, the 5xx request logging path in jupyterserver/log.py copies the Referer header into a JSON header block without applying the token scrubbing used for the request URI. A request that returns HTTP 500 while the...

CVE-2026-86049

Jupyter Server (the backend for Jupyter web applications) prior to version 2.21.0 contains a token-leak flaw in the 5xx request logging path within jupyter_server/log.py. The Referer header is copied into a JSON header block without applying the same token scrubbing used for the request URI. When...

CVE-2026-86049 Jupyter Server: 5xx request logging leaks token-bearing Referer header values

Jupyter Server is the backend for Jupyter web applications. Prior to version 2.21.0, the 5xx request logging path in jupyterserver/log.py copies the Referer header into a JSON header block without applying the token scrubbing used for the request URI. A request that returns HTTP 500 while the...

CVE-2026-86049

Jupyter Server is the backend for Jupyter web applications. Prior to version 2.21.0, the 5xx request logging path in jupyterserver/log.py copies the Referer header into a JSON header block without applying the token scrubbing used for the request URI. A request that returns HTTP 500 while the...

CVE-2026-86049 Jupyter Server: 5xx request logging leaks token-bearing Referer header values

Jupyter Server is the backend for Jupyter web applications. Prior to version 2.21.0, the 5xx request logging path in jupyterserver/log.py copies the Referer header into a JSON header block without applying the token scrubbing used for the request URI. A request that returns HTTP 500 while the...

EUVD-2026-65216

Grav: Origin validation bypass in Uri::referrer and Pages::referrerRoute via unanchored prefix match...

GHSA-9CCQ-2JFG-QW33 Grav: Origin validation bypass in Uri::referrer() and Pages::referrerRoute() via unanchored prefix match

Summary Grav\Common\Uri::referrer and Grav\Common\Page\Pages::referrerRoute both check whether an incoming request's Referer header "came from our site" using strstartswith$referrer, $base, where $base is the site's own absolute root URL for example https://example.com, no trailing slash. Because...

SUSE-SU-2026:1117-1 Security update for python311

This update for python311 fixes the following issues: Update to python 3.11.15: - CVE-2025-6075: quadratic complexity in os.path.expandvars bsc1252974. - CVE-2025-11468: header injection with carefully crafted inputs bsc1257029. - CVE-2025-12084: quadratic complexity in xml.minidom node ID cache...

Security Bulletin: Vulnerability in @opentelemetry/core affects DB2 Dev Extension (CVE-2026-54285)

Summary Upgraded @opentelemetry/core to 2.8.0. Vulnerability Details CVEID:CVE-2026-54285 DESCRIPTION: opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 2.8.0, W3CBaggagePropagator.extract in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP header...

CVE-2026-50275 Datadog PHP Tracer: Improper parsing of W3C baggage headers may lead to DoS

The Datadog PHP Tracer provides application performance monitoring and distributed tracing for PHP. Prior to 1.19.2, ddtracedeserializebaggage in ext/distributedtracingheaders.c parses incoming W3C baggage HTTP headers without enforcing DDTRACEBAGGAGEMAXITEMS or DDTRACEBAGGAGEMAXBYTES. A remote...

Security Bulletin: Vulnerability in form-data affects DB2 Dev Extension (CVE-2026-12143)

Summary Upgraded form-data to 4.0.6 to remediate CVE-2026-12143 CWE-93: CRLF Injection — CVSS Base Score 7.5 High — PVR0791412. Vulnerability Details CVEID:CVE-2026-12143 DESCRIPTION: form-data is a library for creating readable multipart/form-data streams. In versions through 4.0.5, the field...

CVE-2026-54649

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

CVE-2026-54649 punchin-email: Operator inbox (FORWARD_TO) disclosed to correspondents on reply — Cloudflare forward() drops the relay Reply-To

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

CVE-2026-54649 punchin-email: Operator inbox (FORWARD_TO) disclosed to correspondents on reply — Cloudflare forward() drops the relay Reply-To

punchin-email is a Cloudflare Email Worker that provides two-way role aliases while relaying mail to a private inbox. Prior to 1.5.0, handleInbound delivers inbound alias mail with message.forward, which silently drops the added Reply-To header intended to route responses through the relay. When ...

CVE-2026-86863

A flaw was found in pgAdmin 4. When the 'webserver' authentication source is enabled, a remote attacker can bypass authentication by supplying a client-controlled identity header. This allows the attacker to authenticate as any user, including an Administrator, without providing valid credentials...

CVE-2026-93055

In the Linux kernel, the following vulnerability has been resolved: UDF symlink pathComponent header OOB read udfsymlinkfiller can enter udfpctochar with a partial pathComponent header. Validate that enough input remains for a complete pathComponent header before accessing it. Reject malformed...

DEBIAN-CVE-2026-93055

In the Linux kernel, the following vulnerability has been resolved: UDF symlink pathComponent header OOB read udfsymlinkfiller can enter udfpctochar with a partial pathComponent header. Validate that enough input remains for a complete pathComponent header before accessing it. Reject malformed...