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CVE-2026-25150

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a prototype pollution vulnerability exists in the formToObj() function within @builder.io/qwik-city middleware. The function processes form field names with dot notation (e.g., user.name) to create nested objects, but fails to sanitize dangerous property names like __proto__, constructor, and prototype. This allows unauthenticated attackers to pollute Object.prototype by sending crafted HTTP POST requests, potentially l
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4cb1eaf555b710b1be652a79b8a227e4909d0851012d4347034d44a918dc808f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"qwik","vendor":"QwikDev","versions":[{"status":"affected","version":"< 1.19.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:475d2b7d3597be6f37f5ff99c12c23cbcfafb9978343023a0da4fe0cefd657ba · sha256:13bf4f8e3d2c535c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":9.3,"baseSeverity":"CRITICAL","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:475d2b7d3597be6f37f5ff99c12c23cbcfafb9978343023a0da4fe0cefd657ba · sha256:13bf4f8e3d2c535c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:475d2b7d3597be6f37f5ff99c12c23cbcfafb9978343023a0da4fe0cefd657ba · sha256:13bf4f8e3d2c535c… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/QwikDev/qwik/commit/5f65bae2bc33e6ca0c21e4cfcf9eae05077716f7","tags":["x_refsource_MISC"],"url":"https://github.com/QwikDev/qwik/commit/5f65bae2bc33e6ca0c21e4cfcf9eae05077716f7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:475d2b7d3597be6f37f5ff99c12c23cbcfafb9978343023a0da4fe0cefd657ba · sha256:13bf4f8e3d2c535c… · /containers/cna/references/1
{"name":"https://github.com/QwikDev/qwik/security/advisories/GHSA-xqg6-98cw-gxhq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/QwikDev/qwik/security/advisories/GHSA-xqg6-98cw-gxhq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:475d2b7d3597be6f37f5ff99c12c23cbcfafb9978343023a0da4fe0cefd657ba · sha256:13bf4f8e3d2c535c… · /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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