{"id":"OESA-2026-4014","summary":"logback security update","details":"Logback is intended as a successor to the popular log4j project.\r\n\r\nSecurity Fix(es):\n\nPath-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an MDC-based discriminator value flows unsanitized into a nested FileAppender path, letting an attacker who influences that MDC value (e.g. via an HTTP header) create and append log files outside the intended directory. This issue affects Logback-classic: from 0.9.14 through 1.6.2.(CVE-2026-19880)","modified":"2026-09-25T01:45:05.553018556Z","published":"2026-09-25T01:27:15Z","upstream":["CVE-2026-19880"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4014"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19880"}],"affected":[{"package":{"name":"logback","ecosystem":"openEuler:24.03-LTS-SP4","purl":"pkg:rpm/openEuler/logback&distro=openEuler-24.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8-5.oe2403sp4"}]}],"ecosystem_specific":{"noarch":["logback-1.2.8-5.oe2403sp4.noarch.rpm","logback-access-1.2.8-5.oe2403sp4.noarch.rpm","logback-examples-1.2.8-5.oe2403sp4.noarch.rpm","logback-help-1.2.8-5.oe2403sp4.noarch.rpm"],"src":["logback-1.2.8-5.oe2403sp4.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-4014.json"}},{"package":{"name":"logback","ecosystem":"openEuler:20.03-LTS-SP4","purl":"pkg:rpm/openEuler/logback&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8-5.oe2003sp4"}]}],"ecosystem_specific":{"src":["logback-1.2.8-5.oe2003sp4.src.rpm"],"noarch":["logback-1.2.8-5.oe2003sp4.noarch.rpm","logback-access-1.2.8-5.oe2003sp4.noarch.rpm","logback-examples-1.2.8-5.oe2003sp4.noarch.rpm","logback-help-1.2.8-5.oe2003sp4.noarch.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-4014.json"}},{"package":{"name":"logback","ecosystem":"openEuler:22.03-LTS-SP4","purl":"pkg:rpm/openEuler/logback&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8-5.oe2203sp4"}]}],"ecosystem_specific":{"src":["logback-1.2.8-5.oe2203sp4.src.rpm"],"noarch":["logback-1.2.8-5.oe2203sp4.noarch.rpm","logback-access-1.2.8-5.oe2203sp4.noarch.rpm","logback-examples-1.2.8-5.oe2203sp4.noarch.rpm","logback-help-1.2.8-5.oe2203sp4.noarch.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-4014.json"}},{"package":{"name":"logback","ecosystem":"openEuler:24.03-LTS-SP1","purl":"pkg:rpm/openEuler/logback&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8-5.oe2403sp1"}]}],"ecosystem_specific":{"noarch":["logback-1.2.8-5.oe2403sp1.noarch.rpm","logback-access-1.2.8-5.oe2403sp1.noarch.rpm","logback-examples-1.2.8-5.oe2403sp1.noarch.rpm","logback-help-1.2.8-5.oe2403sp1.noarch.rpm"],"src":["logback-1.2.8-5.oe2403sp1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-4014.json"}},{"package":{"name":"logback","ecosystem":"openEuler:24.03-LTS-SP3","purl":"pkg:rpm/openEuler/logback&distro=openEuler-24.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8-5.oe2403sp3"}]}],"ecosystem_specific":{"noarch":["logback-1.2.8-5.oe2403sp3.noarch.rpm","logback-access-1.2.8-5.oe2403sp3.noarch.rpm","logback-examples-1.2.8-5.oe2403sp3.noarch.rpm","logback-help-1.2.8-5.oe2403sp3.noarch.rpm"],"src":["logback-1.2.8-5.oe2403sp3.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-4014.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:N/R:X/V:X/RE:M/U:Green"}]}