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CVE-2026-33622

PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. PinchTab `v0.8.3` through `v0.8.5` allow arbitrary JavaScript execution through `POST /wait` and `POST /tabs/{id}/wait` when the request uses `fn` mode, even if `security.allowEvaluate` is disabled. `POST /evaluate` correctly enforces the `security.allowEvaluate` guard, which is disabled by default. However, in the affected releases, `POST /wait` accepted a user-controlled `fn` expression, embedded it
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:91c2ffc7085a86108f766e1a2c78fd8caadad9aec8ea5ded42c19752131b76ab
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"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:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/problemTypes/2/descriptions/0

Affected products and versions

1 source assertion
{"product":"pinchtab","vendor":"pinchtab","versions":[{"status":"affected","version":">= 0.8.3, <= 0.8.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.1,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:H/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"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:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /containers/cna/problemTypes/2/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/pinchtab/pinchtab/security/advisories/GHSA-w5pc-m664-r62v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pinchtab/pinchtab/security/advisories/GHSA-w5pc-m664-r62v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d6e982f2dfd99accee59afb136b34a88baa737a703d8b76a456ae51370aac23f · sha256:0d45d5282b83f2c6… · /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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