https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2020-24916.htmlhttps://patchthecve.com/cve/CVE-2020-24916.htmlWed, 17 Jun 2026 03:06:09 +0000CRITICAL 9.8: CGI implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to OS command injection.https://patchthecve.com/cve/CVE-2020-24379.htmlhttps://patchthecve.com/cve/CVE-2020-24379.htmlWed, 17 Jun 2026 03:05:27 +0000CRITICAL 9.8: WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.https://patchthecve.com/cve/CVE-2020-12872.htmlhttps://patchthecve.com/cve/CVE-2020-12872.htmlWed, 17 Jun 2026 02:52:27 +0000MEDIUM 5.5: yaws_config.erl in Yaws through 2.0.2 and/or 2.0.7 loads obsolete TLS ciphers, as demonstrated by ones that allow Sweet32 attacks, if running on an Erlang/OTP virtual machine with a version less than 21.0.https://patchthecve.com/cve/CVE-2016-1000108.htmlhttps://patchthecve.com/cve/CVE-2016-1000108.htmlWed, 17 Jun 2026 00:38:41 +0000MEDIUM 6.1: yaws before 2.0.4 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect a CGI application's outbound HTThttps://patchthecve.com/cve/CVE-2011-4350.htmlhttps://patchthecve.com/cve/CVE-2011-4350.htmlTue, 16 Jun 2026 23:34:49 +0000MEDIUM 6.5: Yaws 1.91 has a directory traversal vulnerability in the way certain URLs are processed. A remote authenticated user could use this flaw to obtain content of arbitrary local files via specially-crafted URL request.https://patchthecve.com/cve/CVE-2017-10974.htmlhttps://patchthecve.com/cve/CVE-2017-10974.htmlWed, 17 Jun 2026 01:01:01 +0000HIGH 7.5: Yaws 1.91 allows Unauthenticated Remote File Disclosure via HTTP Directory Traversal with /%5C../ to port 8080. NOTE: this CVE is only about use of an initial /%5C sequence to defeat traversal protection mechanisms; the initial /%5C sequence was apparently not discussed in earlier research on this p