CVE-2026-108551 openapi-typescript-codegen - Code Injection

openapi-typescript-codegen <= 0.31.0 contains a code injection vulnerability caused by unescaped values interpolated into single-quoted string literals, letting attackers inject JavaScript and execute arbitrary code when generated clients are used, exploit requires attacker control of OpenAPI document.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.41% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Code Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
10 October 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to a version later than 0.31.0 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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