Low severity3.3NVD Advisory· Published Mar 15, 2021· Updated Jun 17, 2026
CVE-2021-23357
CVE-2021-23357
Description
All versions of package github.com/tyktechnologies/tyk/gateway are vulnerable to Directory Traversal via the handleAddOrUpdateApi function. This function is able to delete arbitrary JSON files on the disk where Tyk is running via the management API. The APIID is provided by the user and this value is then used to create a file on disk. If there is a file found with the same name then it will be deleted and then re-created with the contents of the API creation request.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3(expand)+ 1 more
- (no CPE)
- (no CPE)
Patches
Vulnerability mechanics
References
2- github.com/TykTechnologies/tyk/issues/3390nvdExploitThird Party Advisory
- snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKGATEWAY-1078516nvdThird Party Advisory
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