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CVE-2026-61613

Cursor is a code editor built for programming with AI. Prior to the Cloud Agent fix on 03/31/2026, browser-enabled Cursor Cloud Agent sessions allowed attacker-controlled web content to connect from inside the agent container to an unauthenticated local agent endpoint, enabling code execution within the affected Cloud Agent sandbox or session and access to files, repository contents, environment variables, credentials, and GitHub App access tokens available to that session. This issue was fixed
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f38f2679d9c205d7c86077869b75d353255efb09fe6e01b78bfb9e1291660203
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"cursor","vendor":"cursor","versions":[{"status":"affected","version":"< 03/31/2026"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2937cfcfaccc070e824e215fcb52d052daa375f3ec7420beb96ff05d8a955511 · sha256:48fa252aee3a9012… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"LOW","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2937cfcfaccc070e824e215fcb52d052daa375f3ec7420beb96ff05d8a955511 · sha256:48fa252aee3a9012… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2937cfcfaccc070e824e215fcb52d052daa375f3ec7420beb96ff05d8a955511 · sha256:48fa252aee3a9012… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/cursor/cursor/security/advisories/GHSA-whx2-4gvm-m3r3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/cursor/cursor/security/advisories/GHSA-whx2-4gvm-m3r3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2937cfcfaccc070e824e215fcb52d052daa375f3ec7420beb96ff05d8a955511 · sha256:48fa252aee3a9012… · /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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