{"action":"Upgrade llama-index to 0.12.29 or later.","affected":[{"fixed":"0.12.29","introduced":"0.12.21"}],"component":"llama-index","cve_ids":["CVE-2025-3225"],"ecosystem":"PyPI","epss":0.00478,"exploited":false,"fixed_versions":["0.12.29"],"ghsa_id":"GHSA-w42r-mrx7-c633","id":"tcs_01M5KGPEMVSRXTQD59NKRZT4EA","modified_at":"2026-07-13T07:26:34.494956192Z","published_at":"2025-07-07T10:15:27.047Z","references":["https://osv.dev/vulnerability/PYSEC-2025-250","https://github.com/run-llama/llama_index/commit/4f6ee062b19212106a2632af9c9521fc7f0a3584","https://huntr.com/bounties/e33c0699-e9a2-49aa-837b-5363205637a2"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2025-250","url":"https://osv.dev/vulnerability/PYSEC-2025-250"}],"summary":"An XML Entity Expansion vulnerability, also known as a 'billion laughs' attack, exists in the sitemap parser of the run-llama/llama_index repository, specifically affecting version v0.12.21. This vuln"}