# crypto: krb5enc - fix async decrypt skipping hash verification

CVE record · `CVE-2026-31719`

- **Identifiers:** `CVE-2026-31719`
- **State:** Confirmed
- **Severity:** CVSS 7.5 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-354](https://cwe.mitre.org/data/definitions/354.html)
- **Tags:** [CWE-354](https://agentprime.io/advisories/tag/cwe-354.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 1 May 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 1 May 2026, 13:56 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: `d1775a177f7f38156d541c8a3e3c91eaa6e69699 to before 07cbb1bd424370671814a862913c99a6e1441588` (git)
  - affected: `d1775a177f7f38156d541c8a3e3c91eaa6e69699 to before e51f42114abbdf47f29dda43e7826be28907fcd2` (git)
  - affected: `d1775a177f7f38156d541c8a3e3c91eaa6e69699 to before 3bfbf5f0a99c991769ec562721285df7ab69240b` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `6.15`
  - unaffected: `before 6.15` (semver)
  - unaffected: `6.18.25 to 6.18.*, inclusive` (semver)
  - unaffected: `7.0.2 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

- 7.5 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`, from CNA (Linux)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 1 May 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-31719](https://www.cve.org/CVERecord?id=CVE-2026-31719)
- [NVD: CVE-2026-31719](https://nvd.nist.gov/vuln/detail/CVE-2026-31719)

### References from the CNA

- <https://git.kernel.org/stable/c/07cbb1bd424370671814a862913c99a6e1441588>
- <https://git.kernel.org/stable/c/e51f42114abbdf47f29dda43e7826be28907fcd2>
- <https://git.kernel.org/stable/c/3bfbf5f0a99c991769ec562721285df7ab69240b>

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-2026-31719>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-31719/>. Everything for agents: <https://agentprime.io/llms.txt>.