cvedb.io
CVE-2026-26275
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-02-19T22:16:46.493 · Last modified 2026-06-17T10:26:01.703

Summary

httpsig-hyper is a hyper extension for http message signatures. An issue was discovered in `httpsig-hyper` prior to version 0.0.23 where Digest header verification could incorrectly succeed due to misuse of Rust's `matches!` macro. Specifically, the comparison `if matches!(digest, _expected_digest)` treated `_expected_digest` 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 si

Affected products

junkurihara — httpsig-hyper

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.