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CVE-2026-53508

oasdiff does not enforce --allow-external-refs=false on the git-revision load path (SSRF / local file read) PUBLISHED

Description (CNA)

oasdiff is a command-line and Go package that compares and detects breaking changes in OpenAPI specs. From version 1.13.2 through version 1.18.0, oasdiff did not enforce --allow-external-refs=false (library: openapi3.Loader.IsExternalRefsAllowed = false) when loading a spec from a git revision (the rev:path form, e.g. main:openapi.yaml). External $refs were resolved on that load path even when external refs were explicitly disabled, so the mitigation silently did not apply there. This issue has been patched in version 1.18.1.

Affected (CNA)

Vendor / productVersions
oasdiff / oasdiffaffected >= 1.13.2, < 1.18.1

CWE

CWE-73, CWE-693, CWE-918

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.