Improper Validation of Array Index Affecting com.squareup.wire:wire-runtime package, versions [,6.3.0)[7.0.0-alpha01,7.0.0-alpha03)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 May 2026
- disclosed19 May 2026
- creditTrekLaps
Introduced: 19 May 2026
CVE-2026-45799 (opens in a new tab)How to fix?
Upgrade com.squareup.wire:wire-runtime to version 6.3.0, 7.0.0-alpha03 or higher.
Overview
Affected versions of this package are vulnerable to Improper Validation of Array Index in the skipGroup function. An attacker can cause a service crash by sending a crafted protobuf payload with a negative length in a length-delimited field inside a group, leading to an unchecked runtime exception that escapes the documented error handling.