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Vulnerabilities & Patches
Emerging1 src

CVE-2026-72887 - Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in get_request_token

CVE ID : CVE-2026-72887 Published : Aug. 16, 2026, 2:16 p. m. • 6 hours, 50 minutes ago Description : Net::OAuth::Client versions before 0. 32 for Perl allow the service provider to silently downgrade OAuth 1. 0a to OAuth 1. 0 in get_request_token. Passing a callback to the constructor selects OAuth 1. 0a. get_request_token then revokes that choice when the request token response omits oauth_callback_confirmed, with no exception, no warning and no option to require 1. 0a. The access token request is built from the OAuth 1. 0 message class, which has no verifier parameter, so oauth_verifier is dropped from the request even when get_access_token was passed one. oauth_verifier is the binding that OAuth 1. 0a added between the authorization step and the token exchange. An application that asked for 1. 0a and gets 1. 0 is open to OAuth 1.

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Vulnerabilities & Patches
Emerging1 src

cve-2026-72887

Net::OAuth::Client versions before 0. 32 for Perl allow the service provider to silently downgrade OAuth 1. 0a to OAuth 1. 0 in get_request_token

·CVE Program
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