# CVE-2026-100164: User Enumeration in Rolantis Information Technologies' Agentis

Status: published. Published: 2026-10-27. Updated: 2026-11-04.

Observable response discrepancy vulnerability in Rolantis Information Technologies Tourism Industry and Trade Co. Ltd. Agentis allows Account Footprinting.

This issue affects Agentis: before 4.8.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Rolantis Information Technologies Tourism Industry and Trade Co. Ltd. / Agentis: ≥ 0; < 4.8 (affected, custom). Source: CNA: TR-CERT

## 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: CNA: TR-CERT

- 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: iletisim@usom.gov.tr

- CISA KEV: No listing in collected sources

- EPSS: 0.30% as of 2026-11-04; percentile 23.14%

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

- Weaknesses: CWE-204

## Exploit evidence

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

## References

- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1406 (CNA: TR-CERT; government-resource)

- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1406 (iletisim@usom.gov.tr)

## Provenance

- CNA: TR-CERT: https://www.cve.org/CVERecord?id=CVE-2026-100164; retrieved 2026-11-04; source updated 2026-11-04

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100164; retrieved 2026-11-04; source updated 2026-11-04

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-100164; retrieved 2026-11-04; source updated Not reported

Revision: 1f6f9aa8c7330e32aacb91c0f7ff06003cb3fda0e588c167864656989d1de6c3

Canonical: https://y2.dev/cve/CVE-2026-100164

## 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.