CVE Explorer
CVE-2026-27905
BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.36, the safe_extract_tarfile() function validates that each tar member's path is within the destination directory, but for symlink members it only validates the symlink's own path, not the symlink's target. An attacker can create a malicious bento/model tar file containing a symlink pointing outside the extraction directory, followed by a regular file that writes through the sy
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"BentoML","vendor":"bentoml","versions":[{"status":"affected","version":"< 1.4.36"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:034df15609d64f535b075c9b4fdd4163d8a8b10d50371ba6d53c5de3c728b1e0 · sha256:b1de4f72845b3cf7… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:034df15609d64f535b075c9b4fdd4163d8a8b10d50371ba6d53c5de3c728b1e0 · sha256:b1de4f72845b3cf7… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:034df15609d64f535b075c9b4fdd4163d8a8b10d50371ba6d53c5de3c728b1e0 · sha256:b1de4f72845b3cf7… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/bentoml/BentoML/commit/4e0eb007765ac04c7924220d643f264715cc9670","tags":["x_refsource_MISC"],"url":"https://github.com/bentoml/BentoML/commit/4e0eb007765ac04c7924220d643f264715cc9670"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:034df15609d64f535b075c9b4fdd4163d8a8b10d50371ba6d53c5de3c728b1e0 · sha256:b1de4f72845b3cf7… · /containers/cna/references/1
{"name":"https://github.com/bentoml/BentoML/security/advisories/GHSA-m6w7-qv66-g3mf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/bentoml/BentoML/security/advisories/GHSA-m6w7-qv66-g3mf"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:034df15609d64f535b075c9b4fdd4163d8a8b10d50371ba6d53c5de3c728b1e0 · sha256:b1de4f72845b3cf7… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.