# crypto: authencesn - reject short ahash digests during instance creation

CVE record · `CVE-2026-46033`

- **Identifiers:** `CVE-2026-46033`
- **State:** Confirmed
- **Severity:** CVSS 7.1 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-1284](https://cwe.mitre.org/data/definitions/1284.html)
- **Tags:** [CWE-1284](https://agentprime.io/advisories/tag/cwe-1284.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 27 May 2026
- **Updated:** 6 Nov 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 27 May 2026, 12:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before 77f59fb2d3aa33e90ec6cbbf45dcfb20ab82b1a9` (git)
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before 2f31cd1e64a079c845bca31d2da7b3c90a311726` (git)
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before d4c6a6d08e70bb1083c7c405fc7faacbf19aebc0` (git)
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before b69933e97efea238ebbfcf70c2b1be1cd03f13e3` (git)
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before 67f1f0933cc3d78dde222842bcad2778ec7a0b88` (git)
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before b42821c15445f93daea3e76ada682b2b7181c476` (git)
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before 9aff81e8217e9de2929084b03b3c7f81988c112b` (git)
  - affected: `f15f05b0a5de667c821a9727c33bce9d1d9b26dd to before 5db6ef9847717329f12c5ea8aba7e9f588a980c0` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.11`
  - unaffected: `before 4.11` (semver)
  - unaffected: `5.10.258 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.209 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.175 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.140 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.86 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.27 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.4 to 7.0.*, inclusive` (semver)
  - unaffected: `7.1 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.1 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H`, from ADP (redhat-SADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0014, the 3rd percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 27 May 2026, 12:56 UTC: [Confirmed by the CVE List](https://www.cve.org/CVERecord?id=CVE-2026-46033)
- 27 May 2026, 14:17 UTC: [Confirmed by NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-46033)

## Sources

- [CVE List: CVE-2026-46033](https://www.cve.org/CVERecord?id=CVE-2026-46033)
- [NVD: CVE-2026-46033](https://nvd.nist.gov/vuln/detail/CVE-2026-46033)

### References from the CNA

- <https://git.kernel.org/stable/c/77f59fb2d3aa33e90ec6cbbf45dcfb20ab82b1a9>
- <https://git.kernel.org/stable/c/2f31cd1e64a079c845bca31d2da7b3c90a311726>
- <https://git.kernel.org/stable/c/d4c6a6d08e70bb1083c7c405fc7faacbf19aebc0>
- <https://git.kernel.org/stable/c/b69933e97efea238ebbfcf70c2b1be1cd03f13e3>
- <https://git.kernel.org/stable/c/67f1f0933cc3d78dde222842bcad2778ec7a0b88>
- <https://git.kernel.org/stable/c/b42821c15445f93daea3e76ada682b2b7181c476>
- <https://git.kernel.org/stable/c/9aff81e8217e9de2929084b03b3c7f81988c112b>
- <https://git.kernel.org/stable/c/5db6ef9847717329f12c5ea8aba7e9f588a980c0>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-46033>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-46033/>. Everything for agents: <https://agentprime.io/llms.txt>.