CVE Explorer

CVE-2026-28384

An improper sanitization of the compression_algorithm parameter in Canonical LXD allows an authenticated, unprivileged user to execute commands as the LXD daemon on the LXD server via API calls to the image and backup endpoints. This issue affected LXD from 4.12 through 6.6 and was fixed in the snap versions 5.0.6-e49d9f4 (channel 5.0/stable), 5.21.4-1374f39 (channel 5.21/stable), and 6.7-1f11451 (channel 6.0 stable). The channel 4.0/stable is not affected as it contains version 4.0.10.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e4018f9dabab0d63c0437593909db1d4a142110e1e973f2eec4bb0cda9c0910a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","packageName":"lxd","platforms":["Linux"],"product":"lxd","programFiles":["images.go","instance_backup.go"],"repo":"https://github.com/canonical/lxd","vendor":"Canonical","versions":[{"lessThan":"6.7","status":"affected","version":"6.0","versionType":"semver"},{"lessThan":"5.21.4","status":"affected","version":"5.21.0","versionType":"semver"},{"lessThan":"5.0.6","status":"affected","version":"5.0.0","versionType":"semver"},{"status":"affected","version":"4.12"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact…

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-78","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions

{"tags":["media-coverage"],"url":"https://discourse.ubuntu.com/t/lxd-authenticated-remote-code-execution-fixes-available/78365"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/cna/references/4

{"tags":["patch"],"url":"https://github.com/canonical/lxd/commit/043696a13171ace7dd4c2b32d34ce039ab629052"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/cna/references/1

{"tags":["patch"],"url":"https://github.com/canonical/lxd/commit/7046979645c2ce1b63b2f9e60ddf6cbc4c4b78f9"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/cna/references/2

{"tags":["patch"],"url":"https://github.com/canonical/lxd/commit/b7b411caf5c4971bfe2386c72128f44d7e2aaf4f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/cna/references/3

{"tags":["exploit"],"url":"https://github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /containers/adp/0/references/0

{"tags":["vendor-advisory"],"url":"https://github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:24a1dfe35e60790ffaca94509023bbf1bd4e257d1cef66ffc924496d48ac44db · sha256:b336c1d5c9142b7a… · /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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