{"id":"CVE-2026-110225","aliases":["DEBIAN-CVE-2026-110225","EUVD-2026-99010","GHSA-w44p-6p6v-f82x","UBUNTU-CVE-2026-110225"],"status":"published","title":"Shaarli through 0.16.9 SSRF via Thumbnail Retrieval update-thumbnail Route","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00342,"percentile":0.28127,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-10-13T18:50:10Z","modified":"2026-10-28T02:30:35Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"shaarli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.12.1+dfsg-8","0.12.1+dfsg-8+deb12u1","0.12.1+dfsg-8+deb12u2","0.13.0+dfsg-1","0.13.0+dfsg-2","0.13.0+dfsg-3","0.13.0+dfsg-4","0.13.0+dfsg-5","0.14.0+dfsg-1","0.14.0+dfsg-2","0.15.0+dfsg-1","0.16.1+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"shaarli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.14.0+dfsg-1","0.14.0+dfsg-2","0.14.0+dfsg-2+deb13u1","0.15.0+dfsg-1","0.16.1+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"shaarli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.42~beta~dfsg1-2","0.0.42~beta~dfsg1-2ubuntu1"]}],"products":[{"vendor":"shaarli","product":"shaarli"}],"references":[{"url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/shaarli-open-mode-thumbnail-fetch-ssrf","tags":["third-party-advisory","exploit","advisory","report"]},{"url":"https://github.com/shaarli/Shaarli/blob/bfeadb4e5856702c05279bb2a5c405f2ed802015/application/front/controller/admin/ThumbnailsController.php#L46-L64","tags":["technical-description","article","report"]},{"url":"https://github.com/shaarli/Shaarli/blob/bfeadb4e5856702c05279bb2a5c405f2ed802015/application/Thumbnailer.php#L82-L98","tags":["technical-description","article","report"]},{"url":"https://github.com/shaarli/Shaarli","tags":["product","package","report"]},{"url":"https://www.vulncheck.com/advisories/shaarli-through-0.16.9-ssrf-via-thumbnail-retrieval-update-thumbnail-route","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110225","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w44p-6p6v-f82x"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110225.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110225","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110225","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110225","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110225","title":"Shaarli through 0.16.9 SSRF via Thumbnail Retrieval update-thumbnail Route","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","status":"published","published":"2026-10-13T18:50:10.481Z","modified":"2026-10-26T18:27:10.583Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:34:26.24368Z"}],"euvd":[{"id":"EUVD-2026-99010","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","status":"published","published":"2026-10-13T18:50:10Z","modified":"2026-10-26T18:27:10Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:28.784227Z"}],"ghsa":[{"id":"GHSA-w44p-6p6v-f82x","title":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows...","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","status":"published","published":"2026-10-13T21:33:38Z","modified":"2026-10-13T21:33:46Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/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:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:13:13.94868Z"}],"nvd":[{"id":"CVE-2026-110225","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","status":"published","published":"2026-10-13T19:18:47.21Z","modified":"2026-10-26T19:16:29.5Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/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:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:57.132005Z"}],"osv":[{"id":"CVE-2026-110225","title":"Shaarli through 0.16.9 SSRF via Thumbnail Retrieval update-thumbnail Route","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","status":"published","published":"2026-10-13T18:50:10.481Z","modified":"2026-10-28T02:30:35.461691768Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-110225","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","status":"published","published":"2026-10-13T19:18:47.21Z","modified":"2026-10-27T10:00:15.591416555Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/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:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-110225","description":"Shaarli through 0.16.9 contains a server-side request forgery vulnerability that allows authenticated users to make the server request internal addresses by fetching bookmark thumbnails without private-address checks. Attackers can create bookmarks pointing to loopback, private, or cloud metadata addresses and trigger ThumbnailsController::ajaxUpdate or saving to send blind GET requests, with open_shaarli exposing this to any visitor.","status":"published","published":"2026-10-13T19:18:00Z","modified":"2026-10-17T12:59:51.643541075Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}