CVE-2026-56453
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 · uneditedHCL DFXAnalytics is affected by an Account Takeover via Response Manipulation vulnerability. A remote attacker can intercept and alter the contents of the server's HTTP responses before they reach the client application, allowing them to manipulate the authentication or authorization logic to bypass controls and gain unauthorized access to targeted user accounts.
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 · high confidenceHCL DFXAnalytics contains an Account Takeover vulnerability via HTTP Response Manipulation. A remote attacker positioned between the client and server can intercept and modify server HTTP responses before they reach the client application, allowing manipulation of authentication or authorization logic to bypass security controls and gain unauthorized access to user accounts.
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<= 3.0CVSS 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
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/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 HCL DFXAnalytics versionLocate the installed DFXAnalytics instance and check its version number, typically found in the application metadata, about page, or installation directory. Compare against the affected range: version 3.0 and below.Affected if Installed version is 3.0 or lower
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Inspect HTTP response integrityCapture HTTP responses from the DFXAnalytics server using a proxy or packet capture. Examine sensitive responses (authentication, authorization, session management) for presence of integrity mechanisms such as HMAC signatures or signed tokens.Affected if Sensitive HTTP responses lack cryptographic integrity verification (no HMAC or signature present)
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Verify server-side validation enforcementAnalyze the application architecture documentation or intercept API calls to determine whether authentication and authorization decisions are enforced server-side or delegated to client-side logic.Affected if Authentication or authorization relies primarily on client-side validation without server-side enforcement
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Check TLS configurationVerify that the DFXAnalytics application is served exclusively over HTTPS. Check server configuration for proper TLS enforcement and ensure HTTP to HTTPS redirection is enforced.Affected if TLS is not enforced or HTTP connections are permitted for sensitive endpoints
User is affected if running HCL DFXAnalytics version 3.0 or lower and sensitive HTTP responses lack cryptographic integrity verification, enabling response manipulation attacks.
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.
From vendor dataImplement TLS/HTTPS to protect HTTP communications from interception, add server-side response integrity validation (e.g., cryptographic signatures or checksums), and enforce stricter server-side authorization checks that cannot be bypassed via client-side response manipulation.
- Consultation12.0 h
- Implementation24.0 h
- Testing16.0 h
- Review / QA8.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-56453 — 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-2026-56453 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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- 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
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