# RUSTSEC-2026-0072 - Missing Check for All-Zero X25519 Shared Secret

Source: https://junglewise.ai/threats/rustsec-2026-0072-missing-check-for-all-zero-x25519-shared-secret-e68a442e  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-04  
License: CC BY 4.0 with a link back

Severity: info · Published 2026-02-04

Missing Check for All-Zero X25519 Shared Secret

Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 4 February 2026.

**Which products and versions are affected?** hpke-rs-rust-crypto (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.6.0.

**Is there a fix for This vulnerability?** Yes. hpke-rs-rust-crypto (crates.io): upgrade to 0.6.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run hpke-rs-rust-crypto (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- hpke-rs-rust-crypto (crates.io): upgrade to 0.6.0 or later

  ```sh
  cargo update -p hpke-rs-rust-crypto
  ```


## Affected products

- hpke-rs-rust-crypto (crates.io) SEMVER:introduced=0.0.0-0,fixed=0.6.0

## Related threats

- [Bug fixes in hpke-rs, hpke-rs-rust-crypto](https://junglewise.ai/threats/bug-fixes-in-hpke-rs-hpke-rs-rust-crypto-a2e883c0)