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CVE-2026-58658

GPUStack through 2.2.1, fixed in commit 4e20551, contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to access sensitive inference logs and modify worker configuration by exploiting unprotected /serveLogs and /debug endpoints on the worker port. Attackers can enumerate model instance IDs to stream serving logs containing prompts and completions, change log levels, and read memory profiling data without any authentication.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:559c4ef448e0134f5b9b8c52b7038b62fc034a50dbcd4dc236ce45bc5ad06e56
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:pypi/gpustack","product":"gpustack","repo":"https://github.com/gpustack/gpustack","vendor":"gpustack","versions":[{"lessThanOrEqual":"2.2.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"4e20551b5aaf76f93a8769d32b7fef999e22a4d3","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-306","description":"Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/gpustack/gpustack/commit/4e20551b5aaf76f93a8769d32b7fef999e22a4d3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/references/2
{"name":"Researcher Disclosure","tags":["technical-description","exploit"],"url":"https://github.com/gpustack/gpustack/issues/5836"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/gpustack/gpustack/issues/5836"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/adp/0/references/0
{"name":"Pull Request","tags":["issue-tracking"],"url":"https://github.com/gpustack/gpustack/issues/5836"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/references/1
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/gpustack-unauthenticated-information-disclosure-via-worker-endpoints"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:970bec38cf797925876b38962f0e22b48c1a3db455042406eef84d6d6b5f8544 · sha256:b7ac33da2fc18f66… · /containers/cna/references/3

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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