Hono - Prototype Pollution via __proto__ Key in parseBody with dot Option
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Hono | Hono | unaffected |
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| Hono | Hono |
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| Source | ID | Title |
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Github GHSA |
GHSA-v8w9-8mx6-g223 | Hono vulnerable to Prototype Pollution possible through __proto__ key allowed in parseBody({ dot: true }) |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.273% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Description | Hono before 4.12.7 allows __proto__ key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with __proto__ properties. When parsed results are merged into regular JavaScript objects using unsafe merge patterns, attackers can exploit this to achieve prototype pollution and modify object behavior. | |
| Title | Hono - Prototype Pollution via __proto__ Key in parseBody with dot Option | |
| First Time appeared |
Hono
Hono hono |
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| Weaknesses | CWE-1321 | |
| CPEs | cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:* | |
| Vendors & Products |
Hono
Hono hono |
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| References |
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| Metrics |
cvssV3_1
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