CVE Explorer

CVE-2026-49238

An issue was discovered in Canonical Multipass before version 1.16.3. The host-side SFTP server component (sshfs_server), which executes with root privileges on the host, contains a path containment bypass vulnerability within its validate_path function in src/sshfs_mount/sftp_server.cpp. The function performs a plain string prefix comparison on requested paths without path separator validation or dot-dot (..) normalization. A local attacker with root privileges inside a guest virtual machine ca

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a996c657a2638a58c083c8cbb82a5896c6465726ee9a01830fc440d5ef09457c

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Multipass","vendor":"Canonical","versions":[{"lessThan":"1.16.3","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:a5031e3b55deb38739e0d0a4f72c26d06131e643aa79b7805d6df541a2a93525 · sha256:4d194262969b9a53… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":8.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:a5031e3b55deb38739e0d0a4f72c26d06131e643aa79b7805d6df541a2a93525 · sha256:4d194262969b9a53… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-22","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:a5031e3b55deb38739e0d0a4f72c26d06131e643aa79b7805d6df541a2a93525 · sha256:4d194262969b9a53… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["exploit"],"url":"https://github.com/canonical/multipass/security/advisories/GHSA-rhp2-23c4-r34w"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:a5031e3b55deb38739e0d0a4f72c26d06131e643aa79b7805d6df541a2a93525 · sha256:4d194262969b9a53… · /containers/adp/0/references/0

{"tags":["vendor-advisory"],"url":"https://github.com/canonical/multipass/security/advisories/GHSA-rhp2-23c4-r34w"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:a5031e3b55deb38739e0d0a4f72c26d06131e643aa79b7805d6df541a2a93525 · sha256:4d194262969b9a53… · /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.

← Back to CVE Explorer