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httpsig-hyper

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. High, CVSS 7.5crates.ioPublished

    Improper Digest Verification in httpsig-hyper May Allow Message Integrity Bypass

    CVE-2026-26275 · GHSA-7v42-g35v-xrch

    Affected
    • crates.io httpsig-hyper < 0.0.23
    Fixed in
    0.0.23· Vendor fix available
    Issue
    Impact An issue was discovered in httpsig-hyper where Digest header verification could incorrectly succeed due to misuse of Rust's matches! macro. Specifically, the comparison: treated expecteddigest as a pattern binding rather than a value comparison, resulting in unconditional success of the match expression. As a consequence, digest verification could incorrectly return success even when the computed digest did not match the expected value. Applications relying on Digest verification as part of HTTP message signature validation may therefore fail to detect message body modification. The severity depends on how the library is integrated and whether additional signature validation layers are enforced. --- Patches This issue has been fixed in: - httpsig-hyper = 0.0.23 The fix replaces the incorrect matches! usage with proper value comparison and additionally introduces constant-time comparison for digest verification as defense-in-depth. Regression tests have also been added to…

    Recommended action: Upgrade to 0.0.23 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →