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CVE-2026-41372

OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f5b608fcee3645c8fd89f533379c78e835f0794dc2189959488fd4215a117fc0
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":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:npm/openclaw","product":"OpenClaw","vendor":"OpenClaw","versions":[{"lessThan":"2026.4.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2026.4.2","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/references/1
{"name":"GitHub Security Advisory (GHSA-fh32-73r9-rgh5)","tags":["vendor-advisory"],"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/references/0
{"name":"VulnCheck Advisory: OpenClaw < 2026.4.2 - Loopback Protection Bypass via Trailing-Dot Localhost in CDP Discovery","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openclaw-loopback-protection-bypass-via-trailing-dot-localhost-in-cdp-discovery"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f541bfb54fc49007b143520ae5cf69cc4a0b8c6e9c903151cb8f330cb95bada3 · sha256:9126a49f60f31f47… · /containers/cna/references/2

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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