{"id":"USN-8627-1","summary":"yelp vulnerability","details":"It was discovered that Yelp incorrectly handled certain crafted help\ndocuments due to an overly permissive Content Security Policy. An\nattacker could trick a user into opening a specially crafted document,\npossibly resulting in the disclosure of sensitive information.","modified":"2026-08-17T02:56:54.089658089Z","published":"2026-08-11T19:27:49Z","related":["UBUNTU-CVE-2026-13601"],"upstream":["UBUNTU-CVE-2026-13601"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8627-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-13601"}],"affected":[{"package":{"name":"yelp","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/yelp?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.18.1-1ubuntu4+esm1"}]}],"versions":["3.16.1-1ubuntu1","3.16.1-1ubuntu2","3.18.1-1ubuntu2","3.18.1-1ubuntu3","3.18.1-1ubuntu4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libyelp0","binary_version":"3.18.1-1ubuntu4+esm1"},{"binary_name":"yelp","binary_version":"3.18.1-1ubuntu4+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-13601"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8627-1.json"}},{"package":{"name":"yelp","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/yelp?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.26.0-1ubuntu2+esm1"}]}],"versions":["3.26.0-1ubuntu1","3.26.0-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libyelp0","binary_version":"3.26.0-1ubuntu2+esm1"},{"binary_name":"yelp","binary_version":"3.26.0-1ubuntu2+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8627-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2026-13601","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"yelp","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/yelp?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.36.2-0ubuntu1.1+esm1"}]}],"versions":["3.34.0-1","3.36.0-1","3.36.2-0ubuntu1","3.36.2-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.36.2-0ubuntu1.1+esm1","binary_name":"libyelp0"},{"binary_version":"3.36.2-0ubuntu1.1+esm1","binary_name":"yelp"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"id":"CVE-2026-13601","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8627-1.json"}},{"package":{"name":"yelp","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/yelp?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.1-1ubuntu0.2"}]}],"versions":["40.stable-1build1","41.1-1","41.2-1","42~beta-2","42.0-1","42.1-1","42.1-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libyelp0","binary_version":"42.1-1ubuntu0.2"},{"binary_name":"yelp","binary_version":"42.1-1ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-13601","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8627-1.json"}},{"package":{"name":"yelp","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/yelp?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.2-1ubuntu0.24.04.2"}]}],"versions":["42.2-1","42.2-1build1","42.2-1build2","42.2-1ubuntu0.24.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libyelp0","binary_version":"42.2-1ubuntu0.24.04.2"},{"binary_version":"42.2-1ubuntu0.24.04.2","binary_name":"yelp"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-13601","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8627-1.json"}},{"package":{"name":"yelp","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/yelp?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"49.0-5ubuntu0.1"}]}],"versions":["42.3-3ubuntu1","49.0-4","49.0-5"],"ecosystem_specific":{"availability":"No subscription 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