{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5271","assignerOrgId":"28c92f92-d60d-412d-b760-e73465c3df22","state":"PUBLISHED","assignerShortName":"PSF","dateReserved":"2026-03-31T20:02:35.393Z","datePublished":"2026-04-01T13:48:07.534Z","dateUpdated":"2026-04-01T23:12:18.741Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"pymanager","repo":"https://github.com/python/pymanager","vendor":"Python Software Foundation","versions":[{"lessThan":"26.1","status":"affected","version":"26.0","versionType":"python"}]}],"credits":[{"lang":"en","type":"remediation developer","value":"Steve Dower"},{"lang":"en","type":"reporter","value":"LAKSHMIKANTHAN K"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"pymanager included the current working directory in sys.path meaning modules could be shadowed by modules in the current working directory.&nbsp;As a result, if a user executes a pymanager-generated command (e.g., <code>pip</code>, <code>pytest</code>)\n from an attacker-controlled directory, a malicious module in that \ndirectory can be imported and executed instead of the intended package."}],"value":"pymanager included the current working directory in sys.path meaning modules could be shadowed by modules in the current working directory. As a result, if a user executes a pymanager-generated command (e.g., pip, pytest)\n from an attacker-controlled directory, a malicious module in that \ndirectory can be imported and executed instead of the intended package."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.6,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"orgId":"28c92f92-d60d-412d-b760-e73465c3df22","shortName":"PSF","dateUpdated":"2026-04-01T15:38:55.523Z"},"references":[{"tags":["vendor-advisory"],"url":"https://github.com/python/pymanager/security/advisories/GHSA-jr5x-hgm4-rrm6"}],"source":{"discovery":"UNKNOWN"},"title":"Possible to hijack modules in current working directory","x_generator":{"engine":"Vulnogram 0.6.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-427","lang":"en","description":"CWE-427 Uncontrolled Search Path Element"}]}],"references":[{"url":"https://github.com/python/pymanager/security/advisories/GHSA-jr5x-hgm4-rrm6","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-01T17:58:52.079116Z","id":"CVE-2026-5271","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-01T17:58:58.338Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/04/01/5"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-04-01T23:12:18.741Z"}}]}}