CVE-2026-42091 goshs has Cross-Origin Arbitrary File Write via Missing CSRF on PUT and Wildcard CORS

goshs is a SimpleHTTPServer written in Go. Prior to version 2.0.2, the PUT upload handler httpserver/updown.go lacks the CSRF token validation that was added to the POST upload handler during the CVE-2026-40883 fix. Combined with the unconditional Access-Control-Allow-Origin: on the OPTIONS...

GHSA-8GW4-P4WQ-4HCV Incus has Blind SSRF via Image Import Preflight HEAD

Summary A partial implementation of our restricted.images.servers project restriction allows users in such restricted projects to still cause Incus to send HEAD requests to arbitrary endpoints. The actual image download will be rejected by the project restriction, but the ability to trigger...

SUSE CVE-2015-0807

The navigator.sendBeacon implementation in Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 processes HTTP 30x status codes for redirects after a preflight request has occurred, which allows remote attackers to bypass intended CORS access-control checks and...

Chrome Limits Websites' Direct Access to Private Networks for Security Reasons

Google Chrome has announced plans to prohibit public websites from directly accessing endpoints located within private networks as part of an upcoming major security shakeup to prevent intrusions via the browser. The proposed change is set to be rolled out in two phases consisting of releases...

Corsair_Scan - A Security Tool To Test Cross-Origin Resource Sharing (CORS)

Corsairscan is a security tool to test Cross-Origin Resource Sharing CORS misconfigurations. CORS is a mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the first resource was served. If this is not properly configured,...

GHSA-VWRF-R5R4-7775 Incorrect handling of CORS preflight request headers in hapi

Versions of hapi prior to 11.0.0 implement CORS incorrectly, allowing for configurations that at best return inconsistent headers, and at worst allow cross-origin activities that are expected to be forbidden. If the connection has CORS enabled but one route has it off, and the route is not GET, t...

Incorrect handling of CORS preflight request headers in hapi

Versions of hapi prior to 11.0.0 implement CORS incorrectly, allowing for configurations that at best return inconsistent headers, and at worst allow cross-origin activities that are expected to be forbidden. If the connection has CORS enabled but one route has it off, and the route is not GET, t...

Incorrect handling of CORS preflight request headers

Overview Versions of hapi prior to 11.0.0 implement CORS incorrectly, allowing for configurations that at best return inconsistent headers, and at worst allow cross-origin activities that are expected to be forbidden. If the connection has CORS enabled but one route has it off, and the route is n...

SUSE SLED12 / SLES12 Security Update : MozillaFirefox, mozilla-nspr (SUSE-SU-2015:1680-1)

Mozilla Firefox was updated to version 38.3.0 ESR bsc947003, fixing bugs and security issues. - MFSA 2015-96/CVE-2015-4500/CVE-2015-4501 Miscellaneous memory safety hazards rv:41.0 / rv:38.3 - MFSA 2015-101/CVE-2015-4506 Buffer overflow in libvpx while parsing vp9 format video - MFSA...

Security update for MozillaFirefox (important)

MozillaFirefox was updated to Firefox 41.0 bnc947003 Security issues fixed: MFSA 2015-96/CVE-2015-4500/CVE-2015-4501 Miscellaneous memory safety hazards MFSA 2015-97/CVE-2015-4503 bmo994337 Memory leak in mozTCPSocket to servers MFSA 2015-98/CVE-2015-4504 bmo1132467 Out of bounds read in QCMS...

Mozilla: Errors in the handling of CORS preflight request headers (MFSA 2015-111)

Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allow remote attackers to bypass CORS preflight protection mechanisms by leveraging 1 duplicate cache-key generation or 2 retrieval of a value from an incorrect HTTP Access-Control- response header...

mozilla -- multiple vulnerabilities

The Mozilla Project reports: MFSA 2015-96 Miscellaneous memory safety hazards rv:41.0 / rv:38.3 MFSA 2015-97 Memory leak in mozTCPSocket to servers MFSA 2015-98 Out of bounds read in QCMS library with ICC V4 profile attributes MFSA 2015-99 Site attribute spoofing on Android by pasting URL with...

CORS requests can omit the preflight request

Cross-Origin Resource Sharing CORS requests are required to send a preflight request if custom headers are included, to check that the host wishes to allow the full request to be made. An example of where this may be needed is for sites that use a custom header with a static value as part of thei...

CORS requests can omit the preflight request – Opera Security Advisories

Cross-Origin Resource Sharing CORS requests are required to send a preflight request if custom headers are included, to check that the host wishes to allow the full request to be made. An example of where this may be needed is for sites that use a custom header with a static value as part of thei...