# NSEC3 owner names not checked against the zone in DNSSEC validation (hickory-proto)

Advisory record · `GHSA-p2jv-r3m3-7wf4`

- **Identifiers:** `GHSA-p2jv-r3m3-7wf4` · `CVE-2026-123580` · `RUSTSEC-2026-0505` · `RUSTSEC-2026-0509`
- **State:** Confirmed
- **Severity:** CVSS 8.7 High
- **Critical:** No
- **Weakness (CWE):** [CWE-290](https://cwe.mitre.org/data/definitions/290.html)
- **Tags:** [Authentication bypass](https://agentprime.io/advisories/tag/auth-bypass.md)
- **Published:** 3 Sept 2026
- **Updated:** 12 Nov 2026
- **Reviewed by a person:** No

Published by the GitHub Advisory Database at 3 Sept 2026, 12:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

## Affected packages

- `hickory-proto` (crates.io): affected `>=0.0.0-0, <0.26.0-beta.1`; fixed in `0.26.0-beta.1`

## Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

## Severity and exploitation

- 8.7 High, CVSS 4.0: `CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N`, from CNA (VulnCheck)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0026, the 17th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 8 Nov 2026, 01:38 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-123580)
- 8 Nov 2026, 01:45 UTC: First seen by agentprime
- 8 Nov 2026, 02:16 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-123580)
- 12 Nov 2026, 14:00 UTC: [Confirmed by OSV](https://osv.dev/vulnerability/RUSTSEC-2026-0505)

## Sources

- [GitHub Advisory Database: GHSA-p2jv-r3m3-7wf4](https://github.com/advisories/GHSA-p2jv-r3m3-7wf4)
- [OSV: GHSA-p2jv-r3m3-7wf4](https://osv.dev/vulnerability/GHSA-p2jv-r3m3-7wf4)
- <https://crates.io/crates/hickory-proto>
- <https://rustsec.org/advisories/RUSTSEC-2026-0505.html>
- <https://github.com/hickory-dns/hickory-dns/commit/10840b8432feb08d369f82e2bb6ce99ae23d7afa>

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.

## Check whether this affects you

A Match means an installed version is in the affected range above. Most don’t affect the app; agentprime hasn’t analysed this one yet.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), ask your agent to check the project: `check_lockfile` sends a lockfile, `check_packages` a list of installed packages, and both return the Matches and the upgrades that clear them. `get_advisory` returns this record. Setup: <https://agentprime.io/mcp.md>
- In a browser: <https://agentprime.io/check/> reads your lockfile in the browser, never uploading it.
- Whether it touches your code, with file and line: the Claude Code plugin, <https://agentprime.io/plugin.md>
- As JSON: <https://api.agentprime.io/v1/advisories/GHSA-p2jv-r3m3-7wf4>, or `POST https://api.agentprime.io/v1/match` with your packages (<https://agentprime.io/api.md>)

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The web page: <https://agentprime.io/advisories/GHSA-p2jv-r3m3-7wf4/>. Everything for agents: <https://agentprime.io/llms.txt>.