Upvote:7
No, no Russian warships from 1944 until 2008 traveled through the Panama Canal. Here is a BBC web article on the topic.
Upvote:16
The Panama Canal was closed to Soviet warships for the duration of the Cold War. On December 6, 2008, the destroyer *Admiral Chabanenko" became the first Russian or Soviet military vessel to transit the Canal since 1944.
Soviet-flagged civilian vessels seem to have been permitted, at least for a while. A Canberra Times article from 22 April 1948 reports that 23 Russian [sic] vessels had traversed the Canal in 1948.