The IESG has received a request from the Web Authorization Protocol WG (oauth) to consider the following document: - 'Proof Key for Code Exchange by OAuth Public Clients' <draft-ietf-oauth-spop-11.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2015-06-01. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract OAuth 2.0 public clients utilizing the Authorization Code Grant are susceptible to the authorization code interception attack. This specification describes the attack as well as a technique to mitigate against the threat. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-oauth-spop/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-oauth-spop/ballot/ No IPR declarations have been submitted directly on this I-D.