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CVE-2026-59998

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:21d740b0118068eae01fb12276c804e62ea7f1cac51e1e37edb55e964e0e3d35
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"OpenSSH","vendor":"OpenBSD","versions":[{"lessThan":"10.4","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cc9b67896d36d3006eca86dea4d648f24df3c9e45d5179de4bf946a698edcc93 · sha256:edeccddd4e6746ba… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cc9b67896d36d3006eca86dea4d648f24df3c9e45d5179de4bf946a698edcc93 · sha256:edeccddd4e6746ba… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-573","description":"CWE-573 Improper Following of Specification by Caller","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cc9b67896d36d3006eca86dea4d648f24df3c9e45d5179de4bf946a698edcc93 · sha256:edeccddd4e6746ba… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cc9b67896d36d3006eca86dea4d648f24df3c9e45d5179de4bf946a698edcc93 · sha256:edeccddd4e6746ba… · /containers/cna/references/1
{"url":"https://www.openssh.org/releasenotes.html#10.4p1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cc9b67896d36d3006eca86dea4d648f24df3c9e45d5179de4bf946a698edcc93 · sha256:edeccddd4e6746ba… · /containers/cna/references/2
{"url":"https://www.openwall.com/lists/oss-security/2026/07/06/5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cc9b67896d36d3006eca86dea4d648f24df3c9e45d5179de4bf946a698edcc93 · sha256:edeccddd4e6746ba… · /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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