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Pixelfed before 0.12.5 allows anyone to follow private accounts and see private posts on other Fediverse servers. This affects users elsewhere in the Fediverse, if they otherwise have any followers from a Pixelfed instance.
Reserved 2025-03-25 | Published 2025-03-25 | Updated 2025-03-26 | Assigner mitreCWE-863 Incorrect Authorization
fokus.cool/2025/03/25/pixelfed-vulnerability.html
github.com/pixelfed/pixelfed/releases/tag/v0.12.5
mastodon.social/@pixelfed/114215925957179498
news.ycombinator.com/item?id=43474425
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