{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-61439", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-09T14:05:47.928Z", "datePublished": "2026-07-11T13:01:03.106Z", "dateUpdated": "2026-07-11T13:01:03.106Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-11T13:01:03.106Z"}, "datePublic": "2026-06-25T00:00:00.000Z", "title": "PraisonAI before 4.6.78 Prompt Injection Defense Bypass", "descriptions": [{"lang": "en", "value": "PraisonAI versions before 4.6.78 contain a prompt injection defense misconfiguration where the block threshold defaults to CRITICAL severity, allowing HIGH-level threats to pass through unblocked. Attackers can submit single-vector prompt injection attacks such as instruction overrides or financial manipulation that trigger HIGH severity detection but are logged without blocking, enabling system prompt extraction and unauthorized tool invocations."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Initialization of a Resource with an Insecure Default", "cweId": "CWE-1188", "type": "CWE"}]}], "affected": [{"vendor": "MervinPraison", "product": "PraisonAI", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/praisonai", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "4.6.78"}, {"version": "4.6.78", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.6.78"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-fj8f-m44g-c479", "name": "GitHub Security Advisory (GHSA-fj8f-m44g-c479)", "tags": ["vendor-advisory"]}, {"name": "VulnCheck Advisory: PraisonAI before 4.6.78 Prompt Injection Defense Bypass", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/praisonai-before-prompt-injection-defense-bypass"}], "credits": [{"lang": "en", "value": "chakrapani150", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.6.78)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "4.6.78"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "PraisonAI", "source": "cna", "vendor": "MervinPraison"}, "product": "praisonai", "vendor": "praison"}], "created": "2026-07-11T14:45:04.124480+00:00", "updated": "2026-07-11T14:45:04.124503+00:00", "vendors": ["praison", "praison$PRODUCT$praisonai"]}