CVE-2025-55195
Published: 14 August 2025
Summary
CVE-2025-55195 is a high-severity Prototype Pollution (CWE-1321) vulnerability. Its CVSS base score is 7.3 (High).
Operationally, ranked in the top 28.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-24881
Vulnerability details
@std/toml is the Deno Standard Library. Prior to version 1.0.9, an attacker can pollute the prototype chain in Node.js runtime and Browser when parsing untrusted TOML data, thus achieving Prototype Pollution (PP) vulnerability. This is because the library is merging…
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an untrusted object with an empty object, which by default the empty object has the prototype chain. This issue has been patched in version 1.0.9.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.