# CVE-2026-111040: Multiple vulnerabilities in Coupa’s Total Spend Management Platform

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

The platform allows persistent HTML injection into editable fields managed by TinyMCE. An authenticated attacker with low privileges can inject unsanitised HTML content which is stored in the database and subsequently rendered in other users’ browsers, affecting the display of content within the application.

## Remediation

- fix: No solution has been reported as yet. (source: CNA: INCIBE)

## Affected products and versions

- Coupa / Coupa Total Spend Management Platform: ≥ 0; < 04/11/2026 (affected, custom). Source: CNA: INCIBE

## Severity and prioritization

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N; source: CNA: INCIBE

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/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: cve-coordination@incibe.es

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-80

## Exploit evidence

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

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-coupas-total-spend-management-platform (CNA: INCIBE)

- https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-coupas-total-spend-management-platform (cve-coordination@incibe.es)

## Provenance

- CNA: INCIBE: https://www.cve.org/CVERecord?id=CVE-2026-111040; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-111040; retrieved 2026-11-04; source updated 2026-11-04

Revision: f9794ce553cd31441816dea5d059188025c9ba94514133bd06f0ca6ff82bcd54

Canonical: https://y2.dev/cve/CVE-2026-111040

## 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.