CVEs / CVE-2025-68686
CVE-2025-68686: Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
- Known exploited in the CISA KEV catalog since 27 Jul 2026
- medium 5.9 CVSS 3.1 (from the CNA)
- EPSS 29.4% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Fortinet FortiOS contains an exposure of sensitive information to an unauthorized actor vulnerability. This may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.
Description
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Fortinet FortiOS | from 7.6.0, up to and including 7.6.1 | — |
| Fortinet FortiOS | from 7.4.0, up to and including 7.4.6 | — |
| Fortinet FortiOS | from 7.2.0, up to and including 7.2.13 | — |
| Fortinet FortiOS | from 7.0.0, up to and including 7.0.19 | — |
| Fortinet FortiOS | from 6.4.0, up to and including 6.4.16 | — |
Exploitation
| In CISA KEV since | 27 Jul 2026 |
|---|---|
| Due date for US federal agencies | 10 Aug 2026 |
| Used in ransomware campaigns | Unknown |
| Required action | 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. |
Severity
| CVSS 3.1 | 5.9 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-200 |
References
- CVE-2025-68686 on NVD
- CVE-2025-68686 in the CISA KEV catalog
- https://fortiguard.fortinet.com/psirt/FG-IR-25-934 (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (cited by CISA)
- https://fortiguard.fortinet.com/psirt/FG-IR-25-934 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-68686 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.