{“lastseen”:””,”description”:”In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, it is possible for attackers to have Jenkins deserialize arbitrary types defined in Jenkins core or plugins from an attacker-controlled `config.xml` submission in a way that allows them to handle HTTP requests afterwards.\\nThis can be used to impersonate any user and send HTTP requests on their behalf, up to and including use of the Script Console to run arbitrary code, or to read arbitrary files from the Jenkins controller.”,”published”:”2026-06-10T13:05:57.208Z”,”modified”:”2026-06-10T15:35:44.158Z”,”type”:”cve”,”title”:”CVE-2026-53435″,”source”:”jenkins”,”references”:”https:\/\/www.jenkins.io\/security\/advisory\/2026-06-10\/#SECURITY-3707″,”id”:”CVE-2026-53435″,”bulletinFamily”:””,”cwe”:[“CWE-502″],”cvelist”:null,”sourceData”:””,”sourceHref”:””,”cvss”:{“score”:8.8,”severity”:”HIGH”,”vector”:”CVSS:3.1\/AV:N\/AC:L\/PR:L\/UI:N\/S:U\/C:H\/I:H\/A:H”,”version”:”3.1″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”Jenkins”,”version”:”2.568″,”vendor”:”Jenkins Project”,”ai_description”:”Deserialization of untrusted data allows attackers to impersonate users and send HTTP requests on their behalf, potentially leading to code execution or file access.”,”ai_severity”:”High”,”ai_vendor”:”Jenkins Project”,”ai_product”:”Jenkins”,”ai_version”:”2.567 and earlier, LTS 2.555.2 and earlier”,”ai_score”:8.8}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:””,”description”:”In Jenkins 2.567 and earlier, LTS 2.555.2 and earlier, it is possible for attackers to have Jenkins deserialize arbitrary types defined in Jenkins core or…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,41,12,15,13,7,11,5],"class_list":["post-61700","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-88","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n