# CVE-2026-115975: Broken access control in JiraController

Status: published. Published: 2026-10-24. Updated: 2026-11-02.

Broken access control in JiraController in Cervantes version v1.3-beta could allow an attacker to create, edit, or delete Jira tickets for vulnerabilities in other projects

## Remediation

- fix: This vulnerability has been patched in version 1.4.0-beta of Cervantes (source: CNA: Grayback)

## Affected products and versions

- CervantesSec / cervantes: ≥ alpha 0.3; ≤ 1.3-beta (affected, custom); v.1.4.0-beta (unaffected). Source: CNA: Grayback

## Severity and prioritization

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N; source: CNA: Grayback

- CISA KEV: No listing in collected sources

- EPSS: 0.21% as of 2026-11-02; percentile 11.88%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-862

## Exploit evidence

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

## References

- https://www.grayback.es/advisories (CNA: Grayback; patch)

- https://www.grayback.es/en/advisories (CNA: Grayback; patch)

## Provenance

- CNA: Grayback: https://www.cve.org/CVERecord?id=CVE-2026-115975; retrieved 2026-11-02; source updated 2026-11-02

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-115975; retrieved 2026-11-02; source updated Not reported

Revision: 42b3880336b8947a523194cb220b0b395ff3fdb1c19e712966fcf720a47852f1

Canonical: https://y2.dev/cve/CVE-2026-115975

## 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 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.