{"id":"GHSA-47xh-qxqv-mgvg","aliases":[],"status":"published","title":"kube-httpcache is vulnerable to Cross-Site Request Forgery (CSRF)","description":"### Impact\n\n\u003e A request forgery attack can be performed on Varnish Cache servers that have the HTTP/2 protocol turned on. An attacker may introduce characters through the HTTP/2 pseudo-headers that are invalid in the context of an HTTP/1 request line, causing the Varnish server to produce invalid HTTP/1 requests to the backend. This may in turn be used to successfully exploit vulnerabilities in a server behind the Varnish server.\n\u003e -- https://varnish-cache.org/security/VSV00011.html#vsv00011\n\n### Patches\n\nThis is fixed in Varnish 6.0.11; Varnish 6.0.11 is available in `kube-httpcache` versions v0.7.1 and later.\n\n### Workarounds\n\nSee [upstream mitigation hints](https://varnish-cache.org/security/VSV00011.html#mitigation).\n\n### References\n\n- https://varnish-cache.org/security/VSV00011.html#vsv00011","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2022-12-02T22:24:44Z","modified":"2023-01-12T05:06:53Z","fixes":[{"ecosystem":"Go","package":"github.com/mittwald/kube-httpcache","fixed_in":["0.7.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/mittwald/kube-httpcache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mittwald/kube-httpcache","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.7.1"}]}]}],"references":[{"url":"https://github.com/mittwald/kube-httpcache/security/advisories/GHSA-47xh-qxqv-mgvg","tags":["web"]},{"url":"https://varnish-cache.org/security/VSV00011.html#vsv00011","tags":["web"]},{"url":"https://github.com/advisories/GHSA-47xh-qxqv-mgvg"},{"url":"https://github.com/mittwald/kube-httpcache","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-47xh-qxqv-mgvg","title":"kube-httpcache is vulnerable to Cross-Site Request Forgery (CSRF)","description":"### Impact\n\n\u003e A request forgery attack can be performed on Varnish Cache servers that have the HTTP/2 protocol turned on. An attacker may introduce characters through the HTTP/2 pseudo-headers that are invalid in the context of an HTTP/1 request line, causing the Varnish server to produce invalid HTTP/1 requests to the backend. This may in turn be used to successfully exploit vulnerabilities in a server behind the Varnish server.\n\u003e -- https://varnish-cache.org/security/VSV00011.html#vsv00011\n\n### Patches\n\nThis is fixed in Varnish 6.0.11; Varnish 6.0.11 is available in `kube-httpcache` versions v0.7.1 and later.\n\n### Workarounds\n\nSee [upstream mitigation hints](https://varnish-cache.org/security/VSV00011.html#mitigation).\n\n### References\n\n- https://varnish-cache.org/security/VSV00011.html#vsv00011\n\n","status":"published","published":"2022-12-02T22:24:44Z","modified":"2023-01-12T05:06:53Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:36:14.033357Z"}],"osv":[{"id":"GHSA-47xh-qxqv-mgvg","title":"kube-httpcache is vulnerable to Cross-Site Request Forgery (CSRF)","description":"### Impact\n\n\u003e A request forgery attack can be performed on Varnish Cache servers that have the HTTP/2 protocol turned on. An attacker may introduce characters through the HTTP/2 pseudo-headers that are invalid in the context of an HTTP/1 request line, causing the Varnish server to produce invalid HTTP/1 requests to the backend. This may in turn be used to successfully exploit vulnerabilities in a server behind the Varnish server.\n\u003e -- https://varnish-cache.org/security/VSV00011.html#vsv00011\n\n### Patches\n\nThis is fixed in Varnish 6.0.11; Varnish 6.0.11 is available in `kube-httpcache` versions v0.7.1 and later.\n\n### Workarounds\n\nSee [upstream mitigation hints](https://varnish-cache.org/security/VSV00011.html#mitigation).\n\n### References\n\n- https://varnish-cache.org/security/VSV00011.html#vsv00011\n\n","status":"published","published":"2022-12-02T22:24:44Z","modified":"2022-12-02T22:24:44Z","cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:36.782754Z"}]}}