{"cve":"CVE-2026-48920","nvd":{"published":"2026-05-27T15:16:31.647","modified":"2026-10-14T20:10:00.190","status":"Analyzed","description":"Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as `base64` in email content by setting the `data-inline` attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify `file:` URLs for images to read arbitrary files from the Jenkins controller filesystem.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-73"],"references":["https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3705"],"products":["jenkins:email_extension"],"source":"nvd","synced_at":"2026-10-19T22:36:28.938604137+00:00"},"epss":{"cve":"CVE-2026-48920","score":0.00288,"percentile":0.21125,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-mq58-m26g-46gp","url":"https://osv.dev/vulnerability/GHSA-mq58-m26g-46gp","summary":"Jenkins Email Extension Plugin: Attackers able to control email content may specify `file:` URLs for images to read arbitrary files from Jenkins controller filesystem","modified":"2026-07-01T19:56:31.477206Z","packages":[{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:email-ext","purl":"pkg:maven/org.jenkins-ci.plugins/email-ext","ranges":["<1933.1935.v276319e3cc47"],"fixed":["1933.1935.v276319e3cc47"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}