# CVE-2026-118527: Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability

Status: published. Published: 2026-11-03. Updated: 2026-11-03.

Use of predictable filenames in Ivanti Connect Secure before versions 25.1.1.3 and 22.8R2.6 allows a remote authenticated attacker to upload files with attacker-controlled content to a known location on disk.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Ivanti / Connect Secure: 25.1.1.3 (unaffected); 22.8R2.6 (unaffected). Source: CNA: ivanti

## Severity and prioritization

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N; source: CNA: ivanti

- CISA KEV: listed; Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.; due 2026-11-13

- EPSS: Not available

- SSVC: exploitation active; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-340

## Exploit evidence

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

## References

- https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935?language=en_US (CNA: ivanti)

- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-118527 (ADP: CISA-ADP; government-resource)

## Provenance

- CNA: ivanti: https://www.cve.org/CVERecord?id=CVE-2026-118527; retrieved 2026-11-03; source updated 2026-11-03

- CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog; retrieved 2026-11-02; source updated Not reported

Revision: 4230a5e7eac0aa1253441cbb4d5ae967abe90d94b0700655fbbe937bce3885eb

Canonical: https://y2.dev/cve/CVE-2026-118527

## Agent and API access

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- 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.