curl: libcurl 8.20.0 incomplete fix for CVE-2026-7168: changing only CURLOPT_PROXYPORT leaks stale Proxy Digest auth to a different proxy

Summary: I found an incomplete-fix variant of CVE-2026-7168 in curl 8.20.0. The 8.20.0 fix clears state.proxydigest / state.authproxy when CURLOPTPROXY changes, but not when only CURLOPTPROXYPORT changes. On the same easy handle, request 1 through proxyA CURLOPTPROXYPORT=18197 learns Proxy Digest...

libcurl 7.12.0 < 8.20.0 Cross-Proxy Digest Auth State Leak

The version of libcurl installed on the remote host is 7.12.0 prior to 8.20.0. It is, therefore, affected by a cross-proxy digest auth state leak vulnerability: - libcurl improperly handles Digest authentication headers when reusing handles across different HTTP proxies. When a client switches fr...

CVE-2026-40912

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high severity authentication bypass vulnerability in Traefik's StripPrefixRegex middleware when used in combination with ForwardAuth, BasicAuth, or DigestAuth. The middleware matches...

CVE-2026-40912

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high severity authentication bypass vulnerability in Traefik's StripPrefixRegex middleware when used in combination with ForwardAuth, BasicAuth, or DigestAuth. The middleware matches...

CVE-2026-40912 Traefik: StripPrefixRegex auth bypass via Path/RawPath desync

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high severity authentication bypass vulnerability in Traefik's StripPrefixRegex middleware when used in combination with ForwardAuth, BasicAuth, or DigestAuth. The middleware matches...

CVE-2026-40912 Traefik: StripPrefixRegex auth bypass via Path/RawPath desync

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high severity authentication bypass vulnerability in Traefik's StripPrefixRegex middleware when used in combination with ForwardAuth, BasicAuth, or DigestAuth. The middleware matches...

CVE-2026-40912

CVE-2026-40912 affects Traefik’s StripPrefixRegex middleware used with ForwardAuth, BasicAuth, or DigestAuth. The vulnerability arises because the middleware matches a decoded URL path against a regex but uses that length to slice the percent-encoded RawPath, which can produce a dot-segment (e.g....

CLSA-2026-1777539404 squid34: Fix of 12 CVEs

CVE-2019-12525: fix heap buffer over-read in Digest auth parameter parsing - CVE-2018-1000027: fix NULL pointer dereference in X-Forwarded-For logging for internal transactions - CVE-2018-19131: escape certificate field injection via %D in ERRSECURECONNECTFAIL page - CVE-2018-19132: fix memory...

SUSE CVE-2026-7020

A security flaw has been discovered in Ollama up to 0.20.2. This affects the function digestToPath of the file x/imagegen/transfer/transfer.go of the component Tensor Model Transfer Handler. The manipulation of the argument digest results in path traversal. The attack may be performed from remote...

CVE-2026-6914

Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior...

cross-proxy Digest auth state leak

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

CURL-CVE-2026-7168 cross-proxy Digest auth state leak

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

CVE-2011-5240

creationtimestamp| type| source ---|---|--- 2026-04-29 06:15:09+00:00| seen| https://bsky.app/profile/adobedigest.bsky.social/post/3mkmh4k2n3a25...

MongoDB Server 数字错误漏洞

MongoDB Server is an open-source NoSQL database developed by MongoDB, a US-based company. This database offers features such as collection-oriented storage, dynamic querying, data replication, and automatic failover. There is a numerical error vulnerability in MongoDB Server, where the MD5 checks...

CVE-2026-7168

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

PT-2026-35898

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description When using libcurl to perform a transfer over a specific HTTP proxy proxyA with Digest authentication and subsequently changing the proxy host to a second one proxyB while reusing the same handl...

UBUNTU-CVE-2026-7168

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

CVE-2026-35903

MERCURY MIPC252W IP camera 1.0.5 Build 230306 Rel.79931n contains an improper authentication vulnerability in the RTSP service. After successful Digest authentication in an initial DESCRIBE request, the device does not verify the Digest response parameter in subsequent RTSP requests within the sa...

CVE-2026-35902

The RTSP service of MERCURY IP camera MIPC252W 1.0.5 Build 230306 has an issue handling failed Digest authentication attempts. By repeatedly sending RTSP requests with invalid authentication parameters, an unauthenticated attacker can cause the RTSP service to enter a persistent authentication...

CVE-2026-7020

A flaw was found in Ollama, specifically within the Tensor Model Transfer Handler component. A remote attacker can exploit this vulnerability by manipulating the digest argument in the digestToPath function, leading to a path traversal. This allows unauthorized access to files or directories on t...