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CVE-2026-8933

A local privilege escalation vulnerability exists in snap-confine, a set-capabilities core component used internally by Canonical snapd to construct the secure execution environment for snap applications. This vulnerability uniquely affects versions of snap-confine configured with set-capabilities (rather than standard set-uid-root installations). Due to a flaw in how privilege boundaries or security sandboxes are initialized when the binary runs under limited ambient capabilities, a local, unpr
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6d4c1805fbafb935e9e85a6e8f2cde3a89fe8ac0d1b32a07d2f89d6b38d7d912
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"collectionURL":"https://github.com/canonical","defaultStatus":"unaffected","packageName":"snapd","repo":"https://github.com/canonical/snapd/","versions":[{"lessThan":"2.76.1","status":"affected","version":"2.75.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/0

{"collectionURL":"https://launchpad.net/ubuntu/resolute","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 26.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.76+ubuntu26.04.3","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/1

{"collectionURL":"https://launchpad.net/ubuntu/noble","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 24.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.76+ubuntu24.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/2

{"collectionURL":"https://launchpad.net/ubuntu/jammy","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 22.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.76+ubuntu22.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/3

Affected products and versions

4 source assertions
{"collectionURL":"https://github.com/canonical","defaultStatus":"unaffected","packageName":"snapd","repo":"https://github.com/canonical/snapd/","versions":[{"lessThan":"2.76.1","status":"affected","version":"2.75.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/0
{"collectionURL":"https://launchpad.net/ubuntu/resolute","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 26.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.76+ubuntu26.04.3","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/1
{"collectionURL":"https://launchpad.net/ubuntu/noble","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 24.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.76+ubuntu24.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/2
{"collectionURL":"https://launchpad.net/ubuntu/jammy","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 22.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.76+ubuntu22.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-250","description":"CWE-250 Execution with unnecessary privileges","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vdb-entry","issue-tracking"],"url":"https://ubuntu.com/security/CVE-2026-8933"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:46be77a8b0501212fd1f1be628d87a80943ec168fe0e88ffb8ca5e0eaea19a4c · sha256:2efdd1ef371bd827… · /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.

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