Fortianalyzer CloudApplication · Fortinet
CVE-2026-22828
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA heap-based buffer overflow vulnerability in Fortinet FortiAnalyzer Cloud 7.6.2 through 7.6.4, FortiManager Cloud 7.6.2 through 7.6.4 may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests. Successful exploitation would require a large amount of effort in preparation because of ASLR and network segmentation
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA heap-based buffer overflow vulnerability exists in Fortinet FortiAnalyzer Cloud and FortiManager Cloud versions 7.6.2 through 7.6.4. This flaw allows a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted HTTP requests. The description notes that successful exploitation requires significant preparation effort due to ASLR (Address Space Layout Randomization) and network segmentation defenses.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
Fortianalyzer CloudApplication
>= 7.6.2, < 7.6.5
Fortimanager CloudApplication
>= 7.6.2, < 7.6.5CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the installed Fortinet productDetermine whether the system is running FortiAnalyzer Cloud or FortiManager Cloud. This can be done via the web UI, CLI command 'get system status', or administrative console.Affected if The product is FortiAnalyzer Cloud or FortiManager Cloud.
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Check the product versionRetrieve the installed version number. In the web UI, go to System Settings > Dashboard > Status. In CLI, use 'get system status' or 'diag system version'. Compare the version to the affected range.Affected if The installed version is 7.6.2, 7.6.3, or 7.6.4 (or any version >= 7.6.2 and < 7.6.5).
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Verify HTTP management interface exposureDetermine if the Fortinet web interface (HTTP/HTTPS on ports 80/443 or custom management ports) is reachable from untrusted networks. Check firewall rules, NAT configurations, and cloud security group settings.Affected if The HTTP management interface is accessible from the public internet or from untrusted internal networks without authentication barriers.
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Assess network segmentation controlsReview network topology and access control lists to determine if the Fortinet management interface is isolated on a dedicated management network or VLAN. Check whether the management port is on a shared production network segment.Affected if The product management interface is on a shared network segment without strict segmentation from untrusted zones.
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Review access logs for suspicious HTTP requestsExamine HTTP access logs, FortiAnalyzer/FortiManager logs, and WAF/load balancer logs for unusual patterns such as abnormally long URL parameters, buffer overflow payloads, or requests targeting known HTTP processing endpoints from unauthenticated sources.Affected if Logs show anomalous HTTP requests with large payloads or unusual parameter patterns from unknown sources.
The environment is affected if FortiAnalyzer Cloud or FortiManager Cloud is running version 7.6.2 through 7.6.4 AND the HTTP management interface is exposed to unauthenticated network access without adequate segmentation.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped7.6.5
Apply vendor-supplied patches when available; until then, enforce strict network segmentation and monitor for indicators of compromise. The description indicates these defensive measures already make exploitation difficult.
FortiAnalyzer Cloud 7.6.5 and FortiManager Cloud 7.6.5
- Upgrade FortiAnalyzer Cloud from versions 7.6.2-7.6.4 to version 7.6.5 or later
- Upgrade FortiManager Cloud from versions 7.6.2-7.6.4 to version 7.6.5 or later
- Verify the upgrade was successful by checking the firmware version in FortiAnalyzer and FortiManager Cloud admin interfaces
- Review Fortinet upgrade documentation for best practices including backup of configuration before upgrade
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Fortianalyzer Cloud
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-22828 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-22828 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data