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CVE-2026-33081

PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. Versions 0.8.2 and below have a Blind SSRF vulnerability in the /download endpoint. The validateDownloadURL() function only checks the initial user-supplied URL, but the embedded Chromium browser can follow attacker-controlled redirects/navigations to internal network addresses after validation. Exploitation requires security.allowDownload=true (disabled by default), limiting real-world impact. An att
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:33b09f15531fe126ab045a4074f3e57b78e9efa9c69a4acfc8b32048f8ee3869
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"pinchtab","vendor":"pinchtab","versions":[{"status":"affected","version":"< 0.8.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:12f70992ff1d994cd1f305be3d0b9dd77a4d262a018c1f9c71c7b3b90460d44d · sha256:6d2c1529acd5d611… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:12f70992ff1d994cd1f305be3d0b9dd77a4d262a018c1f9c71c7b3b90460d44d · sha256:6d2c1529acd5d611… · /containers/cna/metrics/0/cvssV3_1

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:v2:12f70992ff1d994cd1f305be3d0b9dd77a4d262a018c1f9c71c7b3b90460d44d · sha256:6d2c1529acd5d611… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/pinchtab/pinchtab/releases/tag/v0.8.3","tags":["x_refsource_MISC"],"url":"https://github.com/pinchtab/pinchtab/releases/tag/v0.8.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12f70992ff1d994cd1f305be3d0b9dd77a4d262a018c1f9c71c7b3b90460d44d · sha256:6d2c1529acd5d611… · /containers/cna/references/1
{"name":"https://github.com/pinchtab/pinchtab/security/advisories/GHSA-qwxp-6qf9-wr4m","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pinchtab/pinchtab/security/advisories/GHSA-qwxp-6qf9-wr4m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:12f70992ff1d994cd1f305be3d0b9dd77a4d262a018c1f9c71c7b3b90460d44d · sha256:6d2c1529acd5d611… · /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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