# CVE-2026-29788: TSPortal: Anyone can forge self-deletion requests of any user

> Attackers can forge self-deletion requests for any user by disguising DPA reports, compromising data integrity and privacy workflows.

- **Severity:** High 8.4 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 6 Mar 2026
- **Updated:** 9 Mar 2026
- **Also known as:** GHSA-gfhq-7499-f3f2

## What is CVE-2026-29788?

CVE-2026-29788 is a high-severity vulnerability in miraheze TSPortal, published on 6 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

TSPortal is the WikiTide Foundation’s in-house platform used by the Trust and Safety team to manage reports, investigations, appeals, and transparency work. Prior to version 30, conversion of empty strings to null allows disguising DPA reports as genuine self-deletion reports. This issue has been patched in version 30.

Weakness: CWE-283 (Unverified Ownership), CWE-1287 (Improper Validation of Specified Type of Input)

## Which versions are affected by CVE-2026-29788?

2 open source packages ship an affected version, including miraheze/ts-portal. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `miraheze/ts-portal` | Packagist | All versions | 30 |
| `miraheze/ts-portal` | Packagist | All versions | 30 |

Products: Wikitide Tsportal.

## How do I fix CVE-2026-29788?

Upgrade miraheze/ts-portal to 30 or later.

## Is CVE-2026-29788 being exploited?

There is no known exploitation of CVE-2026-29788 in the wild and no public exploit code.

## Other vulnerabilities in miraheze TSPortal

- [CVE-2026-33541](https://insights.sbomify.com/CVE-2026-33541/): TSPortal's Uncontrolled User Creation via Validation Side Effects Leads to Potential Denial of Service (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-29788 and fix it if it is affected.

What it is: CVE-2026-29788 is a high-severity vulnerability in miraheze TSPortal, published on 6 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-29788 in the wild and no public exploit code.

Affected packages and fixed versions:
- miraheze/ts-portal (Packagist): affected all versions; fixed in 30
- miraheze/ts-portal (Packagist): affected all versions; fixed in 30

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-2026-29788/ (Markdown: https://insights.sbomify.com/CVE-2026-29788/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-29788
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-29788
- OSV: https://osv.dev/vulnerability/CVE-2026-29788

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-29788/
Summaries are generated and may contain mistakes; the official description above is the record.