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CVE-2026-24000

Fleet is open source device management software. Prior to version 4.80.1, Fleet trusted client-supplied IP address headers when determining the source IP for incoming requests. This allowed authenticated and unauthenticated clients to spoof their apparent IP address and bypass per-IP rate limiting controls. Fleet determines a client’s public IP address using HTTP headers such as X-Forwarded-For, X-Real-IP, and/or True-Client-IP. These headers were trusted without validation. An attacker could su
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1eff5cec7969720c89e4056f9d4b5a8d4cda03988a4a361a7b0a31829a4147f8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"fleet","vendor":"fleetdm","versions":[{"status":"affected","version":"< 4.80.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9dae00a9d9190cdf398290e6547495e942cad67e60c74d526df37fe0757e8f0b · sha256:24cf91f0905b5393… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9dae00a9d9190cdf398290e6547495e942cad67e60c74d526df37fe0757e8f0b · sha256:24cf91f0905b5393… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9dae00a9d9190cdf398290e6547495e942cad67e60c74d526df37fe0757e8f0b · sha256:24cf91f0905b5393… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/fleetdm/fleet/releases/tag/fleet-v4.80.1","tags":["x_refsource_MISC"],"url":"https://github.com/fleetdm/fleet/releases/tag/fleet-v4.80.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dae00a9d9190cdf398290e6547495e942cad67e60c74d526df37fe0757e8f0b · sha256:24cf91f0905b5393… · /containers/cna/references/1
{"name":"https://github.com/fleetdm/fleet/security/advisories/GHSA-j8h8-75h3-jg53","tags":["x_refsource_CONFIRM"],"url":"https://github.com/fleetdm/fleet/security/advisories/GHSA-j8h8-75h3-jg53"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dae00a9d9190cdf398290e6547495e942cad67e60c74d526df37fe0757e8f0b · sha256:24cf91f0905b5393… · /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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