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

- Exploited (CISA KEV): yes, added 2026-10-30
- Published: unknown
- CVSS: not scored
- EPSS: no score
- CWE: CWE-340

Ivanti Connect Secure contains a generation of predictable numbers or identifiers vulnerability that allows a remote authenticated attacker to upload files with attacker-controlled content to a known location on disk. This vulnerability can be chained with CVE-2026-104935 and CVE-2026-111357.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | No public claim | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

## Social

4 posts seen since 2026-11-02.

- x 2026-11-02: Three chained Ivanti Connect Secure zero-days (CVE-2026-104935, CVE-2026-111357, CVE-2026-118527) exploited in the wild since October 3, granting unauthenticated root access. All three are now in CISA KEV. Patches exist for all three as of October 29.  Key findings:  - The chain… (https://x.com/DFIR_Radar/status/2117346460723269668)
- x 2026-11-02: Ivanti patched two new zero-days in Connect Secure (CVE-2026-111357, CVE-2026-118527) chained in attacks and added to CISA KEV. Review and update VPN instances. https://t.co/YGPNdY0Uv7  via SecurityWeek  #CyberSecurity #InfoSec #Vulnerability #AI #MachineLearning https://t.co/S4… (https://x.com/ADKCyber/status/2117365820036972598)
- bluesky 2026-11-02: 5. CVE-2026-118527 · 8 people 🔥  No published details yet (the CVE may still be reserved). (https://bsky.app/profile/alt.pds.lefht.cc/post/3mzdzwfrg5c25)
- bluesky 2026-11-02: 🛡️ Most-discussed CVEs on Bluesky, last 24h  1. CVE-2026-98432 · 33 people 2. CVE-2026-97229 · 10 people 🔥 3. CVE-2026-109618 · 9 people 🔥 4. CVE-2026-111357 · 9 people 🔥 5. CVE-2026-118527 · 8 people 🔥  🔥 = on CISA's Known Exploited list · details in the thread 🧵 (https://bsky.app/profile/alt.pds.lefht.cc/post/3mzdzwf5fjc25)

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2026-118527 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-118527