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CVE-2026-12249

An issue was discovered in Canonical ADSys upstream versions through v0.16.2. During Active Directory Certificate Services (AD CS) certificate auto-enrollment via the vendored Samba client script (internal/policies/certificate/python/vendor_samba/gp/gp_cert_auto_enroll_ext.py), ADSys utilizes a plaintext HTTP connection (http://) instead of a secure HTTPS connection (https://) to request the CA certificate from the Active Directory Certificate Services server (GetCACert). An unauthenticated netw
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9903c0a0033c829b0b8e6f6fb5e3a0e4917798d5fd9ba2d4147d4e93001f1389
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"collectionURL":"https://launchpad.net/ubuntu/questing","defaultStatus":"unaffected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 25.10","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.3","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/4

{"collectionURL":"https://launchpad.net/ubuntu/noble","defaultStatus":"affected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 24.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.3~24.04.2ubuntu0.24.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/3

{"collectionURL":"https://launchpad.net/ubuntu/resolute","defaultStatus":"unaffected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 26.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.4ubuntu1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/5

{"collectionURL":"https://github.com/ubuntu","defaultStatus":"unaffected","packageName":"adsys","repo":"https://github.com/ubuntu/adsys","versions":[{"lessThan":"0.16.3","status":"affected","version":"0.13.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/0

{"collectionURL":"https://launchpad.net/ubuntu/focal","defaultStatus":"unaffected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 20.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.9.2~20.04.2ubuntu0.1+esm2","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/1

{"collectionURL":"https://launchpad.net/ubuntu/jammy","defaultStatus":"affected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 22.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.3~22.04.2ubuntu0.22.04.1","versionType":"dpkg"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/2
cvss · 2 assertions

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"Automatable":"YES","Recovery":"IRRECOVERABLE","Safety":"NEGLIGIBLE","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9,"baseSeverity":"CRITICAL","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","providerUrgency":"RED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"DIFFUSE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:I/V:D/RE:L/U:Red","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnCon…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

6 source assertions
{"collectionURL":"https://launchpad.net/ubuntu/questing","defaultStatus":"unaffected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 25.10","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.3","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/4
{"collectionURL":"https://launchpad.net/ubuntu/noble","defaultStatus":"affected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 24.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.3~24.04.2ubuntu0.24.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/3
{"collectionURL":"https://launchpad.net/ubuntu/resolute","defaultStatus":"unaffected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 26.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.4ubuntu1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/5
{"collectionURL":"https://github.com/ubuntu","defaultStatus":"unaffected","packageName":"adsys","repo":"https://github.com/ubuntu/adsys","versions":[{"lessThan":"0.16.3","status":"affected","version":"0.13.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/0
{"collectionURL":"https://launchpad.net/ubuntu/focal","defaultStatus":"unaffected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 20.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.9.2~20.04.2ubuntu0.1+esm2","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/1
{"collectionURL":"https://launchpad.net/ubuntu/jammy","defaultStatus":"affected","packageName":"adsys","platforms":["Linux"],"product":"Ubuntu 22.04 LTS","repo":"https://launchpad.net/ubuntu/+source/adsys","vendor":"Canonical","versions":[{"status":"unaffected","version":"0.16.3~22.04.2ubuntu0.22.04.1","versionType":"dpkg"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/affected/2

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"Automatable":"YES","Recovery":"IRRECOVERABLE","Safety":"NEGLIGIBLE","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9,"baseSeverity":"CRITICAL","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","providerUrgency":"RED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"DIFFUSE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:I/V:D/RE:L/U:Red","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnCon…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-348","description":"Improper verification of cryptographic signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["patch"],"url":"https://github.com/ubuntu/adsys/commit/8b1939f96d3827b4426eb06c1ced5bf317b0a99d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /containers/cna/references/1
{"tags":["vdb-entry","issue-tracking"],"url":"https://ubuntu.com/security/CVE-2026-12249"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4a4bc43f95d311ede660f183972a33cfa93ae51fd281a68124d06de759b7f87c · sha256:3d840a7a926f88fc… · /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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