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CVE-2026-15226

A sandbox confinement bypass vulnerability exists in Canonical snapd within its internal execution environment compiler (snap-confine). The default seccomp security templates generated by the engine to restrict system calls do not filter or reject process operations capable of creating or manipulating file execution flags with set-user-ID attributes. Consequently, an application running within a strictly confined snap environment can successfully compile or drop binaries and apply setuid proper
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f4599774e490937e074f6b2db49bc35bace149caf1f4e6750205eaa1d21133e0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 7 assertions

{"collectionURL":"https://launchpad.net/ubuntu/bionic","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 18.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.61.4ubuntu0.18.04.1+esm3","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/5

{"collectionURL":"https://launchpad.net/ubuntu/focal","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 20.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.67.1+20.04ubuntu1~esm2","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/4

{"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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/3

{"collectionURL":"https://github.com/canonical","defaultStatus":"unaffected","packageName":"snapd","repo":"https://github.com/canonical/snapd/","versions":[{"lessThan":"2.76.1","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/0

{"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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/2

{"collectionURL":"https://launchpad.net/ubuntu/xenial","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 16.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.61.4ubuntu0.16.04.1+esm3"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/6

{"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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/1

Affected products and versions

7 source assertions
{"collectionURL":"https://launchpad.net/ubuntu/bionic","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 18.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.61.4ubuntu0.18.04.1+esm3","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/5
{"collectionURL":"https://launchpad.net/ubuntu/focal","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 20.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.67.1+20.04ubuntu1~esm2","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/4
{"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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/3
{"collectionURL":"https://github.com/canonical","defaultStatus":"unaffected","packageName":"snapd","repo":"https://github.com/canonical/snapd/","versions":[{"lessThan":"2.76.1","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/0
{"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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/2
{"collectionURL":"https://launchpad.net/ubuntu/xenial","defaultStatus":"affected","packageName":"snapd","platforms":["Linux"],"product":"Ubuntu 16.04 LTS","repo":"https://launchpad.net/ubuntu/+source/snapd","vendor":"Canonical","versions":[{"status":"unaffected","version":"2.61.4ubuntu0.16.04.1+esm3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/6
{"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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/affected/1

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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /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:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vdb-entry","issue-tracking"],"url":"https://ubuntu.com/security/CVE-2026-15226"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7bdf39fe71de8c4dd0e87e5a911ff6be9546e23d068fef43ac630ca37f01335d · sha256:cd46bee3f4331bf7… · /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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