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CVE-2026-50549

Cursor is a code editor built for programming with AI. Prior to 3.0, Cursor runs agent terminal commands in a sandbox by default. Before a Write, the agent canonicalizes the target path to confirm it stays inside the workspace, but when canonicalization fails it falls back to the original path and writes without approval. A malicious agent can create an in-workspace symlink that points outside the workspace and force canonicalization to fail — either because the target does not exist or because
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7fdd5ab7f9cca11a4f97403e2c9dc22d2584978f45b6c6a7e31ead2a26fc8fed
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":"< 3.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:882616d468b147b1146dbec8e70af9026471f58dff7037748869930ba9353235 · sha256:1d3ca65f1c2d9eea… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","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:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:882616d468b147b1146dbec8e70af9026471f58dff7037748869930ba9353235 · sha256:1d3ca65f1c2d9eea… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:882616d468b147b1146dbec8e70af9026471f58dff7037748869930ba9353235 · sha256:1d3ca65f1c2d9eea… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/cursor/cursor/security/advisories/GHSA-3v8f-48vw-3mjx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/cursor/cursor/security/advisories/GHSA-3v8f-48vw-3mjx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:882616d468b147b1146dbec8e70af9026471f58dff7037748869930ba9353235 · sha256:1d3ca65f1c2d9eea… · /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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