# CVE-2025-11135: pmTicket Project-Management-Software Cookie class.database.php loadLanguage deserialization

> Remote attackers can exploit a deserialization flaw in the cookie handler to execute arbitrary code, requiring immediate attention due to public exploits.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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:** 29 Sep 2025
- **Updated:** 29 Sep 2025
- **Also known as:** GHSA-mg5q-w6jr-wmgj

## What is CVE-2025-11135?

CVE-2025-11135 is a medium-severity unsafe deserialization vulnerability in pmTicket Project-Management-Software, published on 29 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was detected in pmTicket Project-Management-Software up to 2ef379da2075f4761a2c9029cf91d073474e7486. The affected element is the function loadLanguage of the file classes/class.database.php of the component Cookie Handler. Performing manipulation of the argument user_id results in deserialization. The attack can be initiated remotely. The exploit is now public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-502 (Deserialization of Untrusted Data), CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2025-11135?


## How do I fix CVE-2025-11135?

No fix has been published for CVE-2025-11135 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-11135 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11135 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-11135 and fix it if it is affected.

What it is: CVE-2025-11135 is a medium-severity unsafe deserialization vulnerability in pmTicket Project-Management-Software, published on 29 Sep 2025. 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-2025-11135 exists.

Affected product: pmTicket Project-Management-Software. 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-2025-11135/ (Markdown: https://insights.sbomify.com/CVE-2025-11135/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-11135
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-11135
- OSV: https://osv.dev/vulnerability/CVE-2025-11135

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-11135/
Summaries are generated and may contain mistakes; the official description above is the record.