{"id":"CVE-2026-72742","title":"DSPy 3.3.0b1 contains a file exfiltration vulnerability in the Image and Audio output field adapters that allows attackers with influence over language model outputs to read arbitrary local files by injecting a filesystem path into the u…","summary":"DSPy 3.3.0b1 contains a file exfiltration vulnerability in the Image and Audio output field adapters that allows attackers with influence over language model outputs to read arbitrary local files by injecting a filesystem path into the u…","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","cwe":["CWE-73"],"published":"2026-08-11","updated":"2026-09-24","sourceUpdated":"2026-09-24T20:32:04.063","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72742","references":[{"url":"https://github.com/stanfordnlp/dspy","label":"disclosure@vulncheck.com"},{"url":"https://github.com/stanfordnlp/dspy/commit/c69136b29aca4c00ca6da7667f7b80783188980e","label":"disclosure@vulncheck.com"},{"url":"https://github.com/stanfordnlp/dspy/issues/10067","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/dspy-0b1-local-file-read-via-image-audio-output-field-parsing","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00508,"epssPercentile":0.40829,"ingestedAt":"2026-09-24T20:51:40.194Z","slug":"CVE-2026-72742","body":"## Overview\n\nDSPy 3.3.0b1 contains a file exfiltration vulnerability in the Image and Audio output field adapters that allows attackers with influence over language model outputs to read arbitrary local files by injecting a filesystem path into the url field of a parsed Image or Audio typed output. The JSONAdapter and ChatAdapter parse untrusted language model completions through parse_value into TypeAdapter validation, which triggers encode_image or encode_audio to read and base64-encode any local file path via the os.path.isfile branch in image.py and audio.py, subsequently embedding the file contents into outgoing prompt messages sent to the attacker-controlled model endpoint.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}