{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-49948: Mem0 0.2.8 Missing Authorization via POST /configure Endpoint","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-49948","status":"final","version":"1","initial_release_date":"2026-06-09T14:58:18.348Z","current_release_date":"2026-06-09T15:34:54.594Z","revision_history":[{"date":"2026-06-09T14:58:18.348Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Mem0 versions through 0.2.8, fixed in commit ae7f406, contain a missing authorization vulnerability in the self-hosted server component where the POST /configure endpoint modifies global LLM provider and embedder configuration but only verifies authentication via JWT or X-API-Key without validating the caller's role. Any authenticated user holding a distributed API key can redirect all LLM and embedder traffic to an attacker-controlled server, with the malicious configuration persisted to PostgreSQL and surviving server restarts to affect all users and API keys on the instance.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-49948 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-49948"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-49948"},{"category":"external","summary":"github.com","url":"https://github.com/mem0ai/mem0/issues/5127"},{"category":"external","summary":"github.com","url":"https://github.com/mem0ai/mem0/issues/5384"},{"category":"external","summary":"github.com","url":"https://github.com/mem0ai/mem0/pull/5360"},{"category":"external","summary":"github.com","url":"https://github.com/mem0ai/mem0/commit/ae7f4062652df1376990221101d1adbb0819c973"},{"category":"external","summary":"vulncheck.com","url":"https://www.vulncheck.com/advisories/mem0-missing-authorization-via-post-configure-endpoint"}]},"product_tree":{"branches":[{"category":"vendor","name":"mem0ai","branches":[{"category":"product_name","name":"mem0","branches":[{"category":"product_version_range","name":"<=0.2.8","product":{"name":"mem0ai mem0 <=0.2.8","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:mem0ai:mem0:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"ae7f4062652df1376990221101d1adbb0819c973","product":{"name":"mem0ai mem0 ae7f4062652df1376990221101d1adbb0819c973","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:mem0ai:mem0:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-49948","title":"Mem0 0.2.8 Missing Authorization via POST /configure Endpoint","notes":[{"category":"description","text":"Mem0 versions through 0.2.8, fixed in commit ae7f406, contain a missing authorization vulnerability in the self-hosted server component where the POST /configure endpoint modifies global LLM provider and embedder configuration but only verifies authentication via JWT or X-API-Key without validating the caller's role. Any authenticated user holding a distributed API key can redirect all LLM and embedder traffic to an attacker-controlled server, with the malicious configuration persisted to PostgreSQL and surviving server restarts to affect all users and API keys on the instance.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"],"fixed":["CSAFPID-2"]},"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:N/SC:N/SI:N/SA:N","baseScore":8.6,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: ae7f4062652df1376990221101d1adbb0819c973.","product_ids":["CSAFPID-1"],"url":"https://github.com/mem0ai/mem0/commit/ae7f4062652df1376990221101d1adbb0819c973"}]}]}