CVE-2026-41872
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 · unedited"Kura Sushi Official App" provided by EPG, Inc. is vulnerable to improper certificate validation. A man-in-the-middle attack may allow eavesdropping on, or altering, the communication on push notifications between the affected application and the relevant server.
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 confidenceThe Kura Sushi Official App by EPG, Inc. fails to properly validate SSL/TLS certificates when establishing connections for push notifications. This improper certificate validation allows a man-in-the-middle attacker to intercept, eavesdrop on, or modify push notification traffic between the app and its server.
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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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 app versionOn iOS: Settings > Apps > Kura Sushi Official App > Version. On Android: Settings > Apps > Kura Sushi Official App > App info > Version. Alternatively, open the app store listing for the app and check the version displayed.Affected if The installed version is unknown or unpatched, since no fixed version was provided in the CVE data.
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Confirm the app receives push notificationsCheck if push notifications are enabled in the app settings. On iOS: Settings > Apps > Kura Sushi Official App > Notifications. On Android: Settings > Apps > Kura Sushi Official App > Notifications. Look for any notification-related settings within the app itself.Affected if Push notifications are enabled and the app version is unpatched, because the vulnerability affects push notification traffic.
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Verify network traffic handlingInspect if the device uses a VPN or proxy that could intercept TLS traffic. Check device network settings and any security software installed that performs SSL inspection.Affected if A VPN, proxy, or SSL inspection tool is active and the app version is unpatched, as these could potentially exploit the improper certificate validation.
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Check for certificate pinning indicatorsThis requires reverse-engineering the app binary or monitoring network traffic with a tool like Burp Suite or Charles Proxy to see if the app validates certificates beyond the default OS trust store. This is a technical investigation step.Affected if The app does not implement certificate pinning or proper trust chain verification for push notification endpoints.
A user is affected if they are running any version of the Kura Sushi Official App that has not been updated to implement proper certificate validation, and they have push notifications enabled.
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 dataUpdate the application to a version that implements proper certificate validation, such as certificate pinning or proper trust chain verification, to prevent MITM attacks on push notification communications.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
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Free · runs locallyCheck whether your project pulls in CVE-2026-41872 — 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-2026-41872 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
- No spam, self-promotion, credentials, or personal data