# CVE-2026-53631: GLPI: Unauthorized visibility expansion of knowbase items, reminders and RSS feeds

Status: published. Published: 2026-11-04. Updated: 2026-11-04.

GLPI is a free asset and IT management software package. From 0.83 until 10.0.27 and from 11.0.0 until 11.0.9, any authenticated user could submit a crafted request to change the visibility of knowledge base items, reminders, or RSS feeds and then access content that should remain restricted. This issue is fixed in versions 10.0.27 and 11.0.9.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- glpi-project / glpi: >= 0.83, < 10.0.27 (affected); >= 11.0.0, < 11.0.9 (affected). Source: CNA: GitHub_M

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N; source: CNA: GitHub_M

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: security-advisories@github.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-862

## Exploit evidence

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

## References

- https://github.com/glpi-project/glpi/security/advisories/GHSA-5qgv-9jcx-wph7 (CNA: GitHub_M; x_refsource_CONFIRM)

- https://github.com/glpi-project/glpi/commit/6482e735e2a98b03927b0cb35f47bf81230ad35a (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/glpi-project/glpi/commit/89ed992a44be28f24881e19678b38f9fd3fa4309 (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/glpi-project/glpi/releases/tag/10.0.27 (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/glpi-project/glpi/releases/tag/11.0.9 (CNA: GitHub_M; x_refsource_MISC)

- https://github.com/glpi-project/glpi/commit/6482e735e2a98b03927b0cb35f47bf81230ad35a (security-advisories@github.com)

- https://github.com/glpi-project/glpi/commit/89ed992a44be28f24881e19678b38f9fd3fa4309 (security-advisories@github.com)

- https://github.com/glpi-project/glpi/releases/tag/10.0.27 (security-advisories@github.com)

- https://github.com/glpi-project/glpi/releases/tag/11.0.9 (security-advisories@github.com)

- https://github.com/glpi-project/glpi/security/advisories/GHSA-5qgv-9jcx-wph7 (security-advisories@github.com)

## Provenance

- CNA: GitHub_M: https://www.cve.org/CVERecord?id=CVE-2026-53631; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-53631; retrieved 2026-11-05; source updated 2026-11-04

Revision: 34ae286ee2940d18ac5302ae03f9a2b428ee67c2672140c8f3d9766bc7e41366

Canonical: https://y2.dev/cve/CVE-2026-53631

## 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.