CVE-2026-118527
Use of predictable filenames in Ivanti Connect Secure before versions 25.1.1.3 and 22.8R2.6...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-118527- 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 - Weakness
- CWE-340
- Updated
- 2026-11-03
EUVDEUVD-2026-115872
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.
- Record
EUVD-2026-115872- 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 - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4hjv-6c7p-cpmq
Use of predictable filenames in Ivanti Connect Secure before versions 25.1.1.3 and 22.8R2.6...
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.
- Record
GHSA-4hjv-6c7p-cpmq- 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 - Weakness
- CWE-340
- Updated
- 2026-11-03
CISA KEV No score
Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
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.
- Record
CVE-2026-118527- Weakness
- CWE-340
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-118527- 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 - Weakness
- CWE-340
- Updated
- 2026-11-03
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| products, references | GitHub Advisories, NVD | |
| published | EUVD, NVD | |
| published | EUVD | |
| exploitation, references | CVE List, EUVD | |
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, CISA KEV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-118527 is a medium vulnerability (CVSS 4.3) in Ivanti Connect Secure, published November 3, 2026. CISA lists it as known to be exploited, since October 30, 2026. EUVD reports exploitation since October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. No source names a fixed version.