CVE-2026-34452 | Anthropic anthropic-sdk-python up to 0.86.x Claude API link following (GHSA-w828-4qhx-vxx3)

April 1, 2026 Yanac

A vulnerability, which was classified as critical, was found in Anthropic anthropic-sdk-python up to 0.86.x. Affected by this vulnerability is an unknown functionality of the component Claude API. The manipulation results in link following.

This vulnerability is reported as CVE-2026-34452. The attack requires a local approach. No exploit exists.

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