FKIE_CVE-2026-23736

Vulnerability from fkie_nvd - Published: 2026-01-21 23:15 - Updated: 2026-02-27 19:36
Severity ?
7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This vulnerability affects only JSON deserialization functionality. This issue is fixed in version 1.4.1.
References
security-advisories@github.comhttps://github.com/lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060Patch
security-advisories@github.comhttps://github.com/lxsmnsyc/seroval/security/advisories/GHSA-hj76-42vx-jwp4Vendor Advisory
Impacted products
Vendor Product Version
lxsmnsyc seroval *
To clipboard 

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              "criteria": "cpe:2.3:a:lxsmnsyc:seroval:*:*:*:*:*:node.js:*:*",
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      "value": "seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This vulnerability affects only JSON deserialization functionality. This issue is fixed in version 1.4.1."
    },
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      "lang": "es",
      "value": "seroval facilita la serializaci\u00f3n de valores JS, incluyendo estructuras complejas m\u00e1s all\u00e1 de las capacidades de JSON.stringify. En las versiones 1.4.0 y anteriores, debido a una validaci\u00f3n de entrada inadecuada, una clave de objeto maliciosa puede conducir a la contaminaci\u00f3n de prototipos durante la deserializaci\u00f3n JSON. Esta vulnerabilidad afecta solo a la funcionalidad de deserializaci\u00f3n JSON. Este problema se ha solucionado en la versi\u00f3n 1.4.1."
    }
  ],
  "id": "CVE-2026-23736",
  "lastModified": "2026-02-27T19:36:50.543",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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  "published": "2026-01-21T23:15:52.340",
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      "tags": [
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      "url": "https://github.com/lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060"
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  "vulnStatus": "Analyzed",
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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