# CVE-2026-84110: Releasit Releasit COD Form & Upsells OTP Validation client-side enforcement of server-side security

> Attackers can bypass OTP validation in the Releasit COD Form & Upsells plugin by exploiting client-side enforcement of server-side security controls.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Sep 2026
- **Updated:** 4 Sep 2026
- **Also known as:** GHSA-5wc2-mmff-3rxq

## What is CVE-2026-84110?

CVE-2026-84110 is a medium-severity vulnerability in Releasit COD Form & Upsells, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was detected in Releasit Releasit COD Form & Upsells v1. This vulnerability affects unknown code of the component OTP Validation. The manipulation results in client-side enforcement of server-side security. The attack may be launched remotely. The exploit is now public and may be used. Upgrading to version v2 is able to resolve this issue. The affected component should be upgraded.

Weakness: CWE-602 (Client-Side Enforcement of Server-Side Security)

## Which versions are affected by CVE-2026-84110?


## How do I fix CVE-2026-84110?

No fix has been published for CVE-2026-84110 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-84110 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-84110 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-84110 and fix it if it is affected.

What it is: CVE-2026-84110 is a medium-severity vulnerability in Releasit COD Form & Upsells, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-84110 exists.

Affected product: Releasit COD Form & Upsells. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-84110/ (Markdown: https://insights.sbomify.com/CVE-2026-84110/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-84110
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-84110
- OSV: https://osv.dev/vulnerability/CVE-2026-84110

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-84110/
Summaries are generated and may contain mistakes; the official description above is the record.