Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-40516

OpenHarness before commit bd4df81 contains a server-side request forgery vulnerability in the web_fetch and web_search tools that allows attackers to access private and localhost HTTP services by manipulating tool parameters without proper validation of target addresses. Attackers can influence an agent session to invoke these tools against loopback, RFC1918, link-local, or other non-public addresses to read response bodies from local development services, cloud metadata endpoints, admin panels,
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c0de18cc3dec7dc303e2589c49e6ea6a84c1115a015e1e44b6281b3439d2d1ff
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":"LOW","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:L/SA:L","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NO…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:github/HKUDS/OpenHarness","product":"OpenHarness","repo":"https://github.com/HKUDS/OpenHarness","vendor":"HKUDS","versions":[{"lessThan":"bd4df81f634f8c7cddcc3fdf7f561a13dcbf03ae","status":"affected","version":"0","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:L/SA:L","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NO…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["patch"],"url":"https://github.com/HKUDS/OpenHarness/commit/bd4df81f634f8c7cddcc3fdf7f561a13dcbf03ae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/HKUDS/OpenHarness/pull/92"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/adp/0/references/0
{"tags":["issue-tracking"],"url":"https://github.com/HKUDS/OpenHarness/pull/92"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openharness-ssrf-via-web-fetch-and-web-search"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3077df287ebeaeb504e33bd4fe7cad606b80a0f2e14b4bfc5ea6bbda44ad9db7 · sha256:5ad75636c62a12ab… · /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.

← Back to CVE Explorer