{"id":"CVE-2026-53598","state":"PUBLISHED","title":"Prompty: Arbitrary File Read via ${file:path} Reference Expansion","description":"Prompty is a markdown file format (.prompty) for LLM prompts. Prior to 2.0.0-beta.2, Prompty loaders expanded ${file:...} references in .prompty frontmatter without enforcing that resolved paths stayed within the prompt directory or allowed roots, allowing an attacker-controlled prompt file to read local files through absolute paths, .. traversal, or symlink escapes. This issue is fixed in versions 2.0.0-beta.2.","publishedAt":"2026-07-16T14:59:01.797Z","updatedAt":"2026-07-17T14:06:36.423Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["microsoft prompty"],"affected":[{"vendor":"microsoft","product":"prompty","versions":[{"version":"< 2.0.0-beta.2","status":"affected"}]}],"references":["https://github.com/microsoft/prompty/security/advisories/GHSA-wxhm-2mq7-7697","https://github.com/microsoft/prompty/commit/88ac9948d7d37995edbb2f6d36913436626c39e1"],"weaknesses":["CWE-22","CWE-200"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53598.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53598","state":"PUBLISHED","datePublished":"2026-07-16T14:59:01.797Z","dateUpdated":"2026-07-17T14:06:36.423Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-09T19:39:52.404Z"},"containers":{"cna":{"title":"Prompty: Arbitrary File Read via ${file:path} Reference Expansion","descriptions":[{"lang":"en","value":"Prompty is a markdown file format (.prompty) for LLM prompts. Prior to 2.0.0-beta.2, Prompty loaders expanded ${file:...} references in .prompty frontmatter without enforcing that resolved paths stayed within the prompt directory or allowed roots, allowing an attacker-controlled prompt file to read local files through absolute paths, .. traversal, or symlink escapes. This issue is fixed in versions 2.0.0-beta.2."}],"affected":[{"vendor":"microsoft","product":"prompty","versions":[{"version":"< 2.0.0-beta.2","status":"affected"}]}],"references":[{"url":"https://github.com/microsoft/prompty/security/advisories/GHSA-wxhm-2mq7-7697","name":"https://github.com/microsoft/prompty/security/advisories/GHSA-wxhm-2mq7-7697","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/microsoft/prompty/commit/88ac9948d7d37995edbb2f6d36913436626c39e1","name":"https://github.com/microsoft/prompty/commit/88ac9948d7d37995edbb2f6d36913436626c39e1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-16T14:59:01.797Z"},"source":{"advisory":"GHSA-wxhm-2mq7-7697","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-17T14:06:30.453913Z","id":"CVE-2026-53598","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-17T14:06:36.423Z"}}]}}}