{"cve":"CVE-2011-4103","nvd":{"published":"2014-10-27T01:55:23.280","modified":"2026-06-16T23:34:25.800","status":"Modified","description":"emitters.py in Django Piston before 0.2.3 and 0.2.x before 0.2.2.1 does not properly deserialize YAML data, which allows remote attackers to execute arbitrary Python code via vectors related to the yaml.load method.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://www.debian.org/security/2011/dsa-2344","http://www.openwall.com/lists/oss-security/2011/11/01/10","https://bitbucket.org/jespern/django-piston/commits/91bdaec89543/","https://bugzilla.redhat.com/show_bug.cgi?id=750658","https://www.djangoproject.com/weblog/2011/nov/01/piston-and-tastypie-security-releases/"],"products":["djangoproject:piston"],"source":"nvd","synced_at":"2026-10-19T20:34:45.729216538+00:00"},"epss":{"cve":"CVE-2011-4103","score":0.0243,"percentile":0.84244,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-pvhp-v9qp-xf5r","url":"https://osv.dev/vulnerability/GHSA-pvhp-v9qp-xf5r","summary":"Django-piston and Django-tastypie do not properly deserialize YAML data","modified":"2024-09-16T23:21:33.197826Z","packages":[{"ecosystem":"PyPI","name":"django-piston","purl":"pkg:pypi/django-piston","ranges":[">=0.2.0 <0.2.2.1"],"fixed":["0.2.2.1"]}]},{"id":"PYSEC-2014-24","url":"https://osv.dev/vulnerability/PYSEC-2014-24","summary":"","modified":"2023-11-08T03:57:01.074322Z","packages":[{"ecosystem":"PyPI","name":"django-piston","purl":"pkg:pypi/django-piston","ranges":["<0.2.3"],"fixed":["0.2.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}