# CVE-2025-71455: vtenext before 25.02.2 Session Identifier Disclosure via Touch Web Service

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

vtenext before 25.02.2 contains a session identifier disclosure vulnerability that allows attackers to read the PHPSESSID value returned by the Touch web service endpoint. Attackers who can run script in the vtenext origin, such as through cross-site scripting, can bypass the HttpOnly flag and hijack authenticated sessions.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- vtenext / vtenext: ≥ 0; < 25.02.2 (affected, custom). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 5.9 (medium); CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 5.3 (medium); CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-200

## Exploit evidence

- exploit: https://blog.sicuranext.com/vtenext-25-02-a-three-way-path-to-rce/ (CNA: VulnCheck)

## References

- https://blog.sicuranext.com/vtenext-25-02-a-three-way-path-to-rce/ (CNA: VulnCheck; third-party-advisory, exploit)

- https://0xbro.red/posts/vtenext-25-02-a-three-way-path-to-rce/ (CNA: VulnCheck; technical-description)

- https://usermanual.vtenext.com/books/release-notes-history/page/vtenext-25022-release-note (CNA: VulnCheck; release-notes)

- https://www.vulncheck.com/advisories/vtenext-before-25.02.2-session-identifier-disclosure-via-touch-web-service (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2025-71455; retrieved 2026-11-04; source updated 2026-11-04

Revision: 061527979b5442babe4d979e29e9a3b504ba0393e03be4e599e89b617d4c91c8

Canonical: https://y2.dev/cve/CVE-2025-71455

## 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.