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CVE-2026-34060

Ruby LSP is an implementation of the language server protocol for Ruby. Prior to Shopify.ruby-lsp version 0.10.2 and ruby-lsp version 0.26.9, the rubyLsp.branch VS Code workspace setting was interpolated without sanitization into a generated Gemfile, allowing arbitrary Ruby code execution when a user opens a project containing a malicious .vscode/settings.json. This issue has been patched in Shopify.ruby-lsp version 0.10.2 and ruby-lsp version 0.26.9.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b3debbdaf7446723fdf52f88dfd679bfc30260a68eb905afa99af71a303d5368
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"ruby-lsp","vendor":"Shopify","versions":[{"status":"affected","version":"< 0.26.9"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/affected/0

{"product":"Shopify.ruby-lsp","vendor":"Shopify","versions":[{"status":"affected","version":"< 0.10.2"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/affected/1
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/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:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/adp/0/metrics/0/cvssV3_1

Affected products and versions

2 source assertions
{"product":"ruby-lsp","vendor":"Shopify","versions":[{"status":"affected","version":"< 0.26.9"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/affected/0
{"product":"Shopify.ruby-lsp","vendor":"Shopify","versions":[{"status":"affected","version":"< 0.10.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/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:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/Shopify/ruby-lsp/releases/tag/v0.26.9","tags":["x_refsource_MISC"],"url":"https://github.com/Shopify/ruby-lsp/releases/tag/v0.26.9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /containers/cna/references/1
{"name":"https://github.com/Shopify/ruby-lsp/security/advisories/GHSA-c4r5-fxqw-vh93","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Shopify/ruby-lsp/security/advisories/GHSA-c4r5-fxqw-vh93"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4513269a0661e3427f10ea405f5e8dd0574924e81cde274dbf368db194ec1e03 · sha256:4f87cff1b5cde578… · /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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