# CVE-2026-108823: Apache Kylin: Potential unauthenticated job metadata replacement

Status: published. Published: 2026-10-19. Updated: 2026-11-03.

Exposure of Sensitive Information to an Unauthorized Actor during job manipulation in Apache Kylin. The impact is minor unless job services are exposed to public network, which is uncommon.



This issue affects Apache Kylin: from 4.0.0 through 5.0.4.



Users are recommended to upgrade to version 5.0.5, which fixes the issue.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Apache Software Foundation / Apache Kylin: ≥ 4.0.0; ≤ 5.0.4 (affected, semver). Source: CNA: apache

## Severity and prioritization

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N; source: ADP: CISA-ADP

- CVSS 3.1: 7.5 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N; source: NVD: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- CISA KEV: No listing in collected sources

- EPSS: 0.17% as of 2026-11-03; percentile 6.45%

- SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-200

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://lists.apache.org/thread.html/bhcvh3oxcqcjklxfr2mn1j3f7pzxqz4b (CNA: apache; vendor-advisory)

- http://www.openwall.com/lists/oss-security/2026/10/16/19 (ADP: CVE)

- https://lists.apache.org/thread.html/bhcvh3oxcqcjklxfr2mn1j3f7pzxqz4b (security@apache.org)

- http://www.openwall.com/lists/oss-security/2026/10/16/19 (af854a3a-2127-422b-91ae-364da2661108)

## Provenance

- CNA: apache: https://www.cve.org/CVERecord?id=CVE-2026-108823; retrieved 2026-11-03; source updated 2026-11-03

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-108823; retrieved 2026-11-04; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-108823; retrieved 2026-11-03; source updated Not reported

Revision: 324953356f5780c4b99f554a6c2aab0fe4cadd656a1bfc409b05cecd871872d1

Canonical: https://y2.dev/cve/CVE-2026-108823

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.