{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-25855: OpenBullet2 0.3.2 Authenticated RCE via FileProxySource Script Upload","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-25855","status":"final","version":"1","initial_release_date":"2026-06-08T16:49:34.140Z","current_release_date":"2026-06-08T18:12:03.694Z","revision_history":[{"date":"2026-06-08T16:49:34.140Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"OpenBullet2 through version 0.3.2 contains a remote code execution vulnerability that allows authenticated users to execute arbitrary commands by uploading script files (.bat.ps1.sh) through the FileProxySource proxy loading feature. Attackers can upload malicious script files as proxy sources, causing the server to execute the scripts and return output as proxy lines, resulting in arbitrary command execution on the host as the process user.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-25855 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-25855"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-25855"},{"category":"external","summary":"hackernoon.com","url":"https://hackernoon.com/one-empty-header-to-admin-how-an-auth-bypass-breaks-openbullet2"},{"category":"external","summary":"vulncheck.com","url":"https://www.vulncheck.com/advisories/openbullet2-authenticated-rce-via-fileproxysource-script-upload"}]},"product_tree":{"branches":[{"category":"vendor","name":"openbullet","branches":[{"category":"product_name","name":"openbullet2","branches":[{"category":"product_version_range","name":">=0.2.5 <=0.3.2","product":{"name":"openbullet openbullet2 >=0.2.5 <=0.3.2","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:openbullet:openbullet2:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-25855","title":"OpenBullet2 0.3.2 Authenticated RCE via FileProxySource Script Upload","notes":[{"category":"description","text":"OpenBullet2 through version 0.3.2 contains a remote code execution vulnerability that allows authenticated users to execute arbitrary commands by uploading script files (.bat.ps1.sh) through the FileProxySource proxy loading feature. Attackers can upload malicious script files as proxy sources, causing the server to execute the scripts and return output as proxy lines, resulting in arbitrary command execution on the host as the process user.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":8.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}