CVE-2026-1670
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 · uneditedThe affected products are vulnerable to an unauthenticated API endpoint exposure, which may allow an attacker to remotely change the "forgot password" recovery email address.
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 confidenceUnauthenticated API endpoint in password recovery functionality allows attackers to remotely change the recovery email address without any authentication, potentially leading to full account takeover.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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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Locate password recovery API endpointReview application source code or intercept HTTP traffic during the forgot password flow to identify the API endpoint (typically /api/password/reset, /api/recovery/email, or similar). Note the HTTP method used (POST/PUT).Affected if The endpoint exists and accepts requests without requiring authentication tokens in the request headers.
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Test unauthenticated email change requestSend a crafted request to the recovery email modification endpoint with a target email address but include NO session cookie, JWT, or authentication header. Use a tool like curl: curl -X POST <endpoint_url> -H "Content-Type: application/json" -d '{"email":"[email protected]"}'Affected if The server accepts the request and returns a success response (200/2xx) without rejecting it for missing authentication.
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Verify authorization on own account endpointIf the endpoint appears to require authentication, test whether it validates that the authenticated user matches the account being modified. Attempt to change recovery email using a valid session token from one account on a different account's recovery email endpoint.Affected if The API allows modifying recovery email for any account when authenticated as a different user, indicating missing authorization checks.
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Check for account takeover indicatorsAfter modifying the recovery email via the unauthenticated endpoint, verify whether the original account owner loses access to password reset functionality or if the new recovery email receives reset links.Affected if The recovery email is successfully changed without the original account owner's consent or verification.
If the password recovery API endpoint accepts unauthenticated requests to change the recovery email address and returns success, the environment is affected by this vulnerability.
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 dataAdd proper authentication, authorization validation, and rate limiting to the forgot password API endpoint to ensure only legitimate users can modify their recovery email settings.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-1670 — 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-2026-1670 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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