{"id":"CVE-2026-68770","aliases":["CLSA-2026-1790851862","EUVD-2026-51650","GHSA-jhr6-gm9c-rqjv","PYSEC-2026-4164","ROOT-APP-PYPI-CVE-2026-68770"],"status":"published","title":"sentence-transformers Arbitrary Code Execution on Local Model Load Despite trust_remote_code=False","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00909,"percentile":0.60437,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-94"],"published":"2026-07-31T20:56:06Z","modified":"2026-11-09T02:47:29Z","fixes":[{"ecosystem":"PyPI","package":"sentence-transformers","fixed_in":["5.6.0"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:PyPI","package":"sentence-transformers","fixed_in":["2.7.0.post3+tuxcare"],"sources":["osv"]},{"ecosystem":"Root:PyPI","package":"sentence-transformers","fixed_in":["2.7.0+aikido.1","4.1.0+aikido.1","3.4.1+aikido.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"sentence-transformers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.0"}]}]},{"source":"osv","ecosystem":"TuxCare:PyPI","package":"sentence-transformers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.7.0"},{"fixed":"2.7.0.post3+tuxcare"}]}],"versions":["2.7.0","2.7.0.post1+tuxcare","2.7.0.post2+tuxcare"]},{"source":"osv","ecosystem":"PyPI","package":"sentence-transformers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.0"}]}],"versions":["0.1.0","0.2.0","0.2.1","0.2.2","0.2.3","0.2.4","0.2.4.1","0.2.5","0.2.5.1","0.2.6","0.2.6.1","0.2.6.2","0.3.0","0.3.1","0.3.2","0.3.3","0.3.4","0.3.5","0.3.5.1","0.3.6","0.3.7","0.3.7.1","0.3.7.2","0.3.8","0.3.9","0.4.0","0.4.1","0.4.1.1","0.4.1.2","1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.1.0","1.1.1","1.2.0","1.2.1","2.0.0","2.1.0","2.2.0","2.2.1","2.2.2","2.3.0","2.3.1","2.4.0","2.5.0","2.5.1","2.6.0","2.6.1","2.7.0","3.0.0","3.0.1","3.1.0","3.1.1","3.2.0","3.2.1","3.3.0","3.3.1","3.4.0","3.4.1","4.0.0","4.0.1","4.0.2","4.1.0","5.0.0","5.1.0","5.1.1","5.1.2","5.2.0","5.2.1","5.2.2","5.2.3","5.3.0","5.4.0","5.4.1","5.5.0","5.5.1"]},{"source":"osv","ecosystem":"PyPI","package":"sentence-transformers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.6.0"}]}],"versions":["0.1.0","0.2.0","0.2.1","0.2.2","0.2.3","0.2.4","0.2.4.1","0.2.5","0.2.5.1","0.2.6","0.2.6.1","0.2.6.2","0.3.0","0.3.1","0.3.2","0.3.3","0.3.4","0.3.5","0.3.5.1","0.3.6","0.3.7","0.3.7.1","0.3.7.2","0.3.8","0.3.9","0.4.0","0.4.1","0.4.1.1","0.4.1.2","1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.1.0","1.1.1","1.2.0","1.2.1","2.0.0","2.1.0","2.2.0","2.2.1","2.2.2","2.3.0","2.3.1","2.4.0","2.5.0","2.5.1","2.6.0","2.6.1","2.7.0","3.0.0","3.0.1","3.1.0","3.1.1","3.2.0","3.2.1","3.3.0","3.3.1","3.4.0","3.4.1","4.0.0","4.0.1","4.0.2","4.1.0","5.0.0","5.1.0","5.1.1","5.1.2","5.2.0","5.2.1","5.2.2","5.2.3","5.3.0","5.4.0","5.4.1","5.5.0","5.5.1"]},{"source":"osv","ecosystem":"Root:PyPI","package":"sentence-transformers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.0+aikido.1"},{"fixed":"4.1.0+aikido.1"},{"fixed":"3.4.1+aikido.1"}]}]}],"products":[{"vendor":"hugging face","product":"sentence-transformers"}],"references":[{"url":"https://github.com/huggingface/sentence-transformers/issues/3801","tags":["issue-tracking","exploit","report","web"]},{"url":"https://github.com/huggingface/sentence-transformers/pull/3807","tags":["vendor-advisory","patch","fix","web"]},{"url":"https://github.com/huggingface/sentence-transformers","tags":["product","package"]},{"url":"https://github.com/huggingface/sentence-transformers/commit/ae1acc3fb2aa2004577b297eb4a915ce7a03316a","tags":["patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/sentence-transformers-arbitrary-code-execution-on-local-model-load-despite-trust-remote-code-false","tags":["third-party-advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68770","tags":["advisory"]},{"url":"https://github.com/huggingface/sentence-transformers/pull/3935","tags":["web"]},{"url":"https://github.com/huggingface/sentence-transformers/commit/626eb602b088878a8173bcab69225f68411b99e1","tags":["web"]},{"url":"https://github.com/huggingface/sentence-transformers/releases/tag/v5.6.0","tags":["web"]},{"url":"https://github.com/huggingface/sentence-transformers/releases/tag/v6.0.0","tags":["web"]},{"url":"https://github.com/advisories/GHSA-jhr6-gm9c-rqjv","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68770.json","tags":["advisory"]},{"url":"https://pypi.org/project/sentence-transformers","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-68770","title":"sentence-transformers Arbitrary Code Execution on Local Model Load Despite trust_remote_code=False","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","status":"published","published":"2026-07-31T20:56:06.867Z","modified":"2026-11-08T14:08:16.653Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-08T15:43:33.322657Z"}],"euvd":[{"id":"EUVD-2026-51650","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","status":"published","published":"2026-07-31T20:56:06Z","modified":"2026-11-08T14:08:16Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-08T15:13:06.469155Z"}],"ghsa":[{"id":"GHSA-jhr6-gm9c-rqjv","title":"sentence-transformers local model loading bypasses trust_remote_code and executes custom Python","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","status":"published","published":"2026-07-31T21:31:59Z","modified":"2026-09-30T23:24:25Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:41:23.783773Z"}],"nvd":[{"id":"CVE-2026-68770","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","status":"published","published":"2026-07-31T21:17:32.44Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:34.290716Z"}],"osv":[{"id":"CVE-2026-68770","title":"sentence-transformers Arbitrary Code Execution on Local Model Load Despite trust_remote_code=False","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","status":"published","published":"2026-07-31T20:56:06.867Z","modified":"2026-11-09T02:47:29.503708464Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-09T03:16:17.543303Z"},{"id":"GHSA-jhr6-gm9c-rqjv","title":"sentence-transformers local model loading bypasses trust_remote_code and executes custom Python","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","status":"published","published":"2026-07-31T21:31:59Z","modified":"2026-10-01T17:55:41.036478465Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:46:50.336262Z"},{"id":"PYSEC-2026-4164","title":"sentence-transformers local model loading bypasses trust_remote_code and executes custom Python","description":"sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.","status":"published","published":"2026-10-01T16:38:29.083815Z","modified":"2026-10-01T17:45:16.845967182Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T15:52:57.671918Z"},{"id":"CLSA-2026-1790851862","title":"TuxCare security update for sentence-transformers (1 CVE)","description":"TuxCare rebuilt sentence-transformers to address 1 CVE. Fixed in 2.7.0.post3+tuxcare.","status":"published","published":"2026-10-01T10:51:02Z","modified":"2026-10-15T09:48:02.376032158Z","updated_at":"2026-11-02T15:43:48.65893Z"},{"id":"ROOT-APP-PYPI-CVE-2026-68770","title":"CVE-2026-68770 in sentence-transformers - Patched by Root","description":"Root has patched CVE-2026-68770 in the sentence-transformers package for Root:PyPI. Multiple fixed versions available.","status":"published","published":"2026-08-05T16:15:54Z","modified":"2026-08-05T18:45:04.753907152Z","updated_at":"2026-11-02T15:53:28.259095Z"}]}}