# CVE-2017-5537: Weblate user account enumeration via reset password form

> Remote attackers can enumerate user accounts by observing distinct error messages in the password reset form.

- **Severity:** Medium 5.3 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 15 Mar 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-j24g-gm76-j829, PYSEC-2017-42

## What is CVE-2017-5537?

CVE-2017-5537 is a medium-severity vulnerability in n/a, published on 15 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The password reset form in Weblate before 2.10.1 provides different error messages depending on whether the email address is associated with an account, which allows remote attackers to enumerate user accounts via a series of requests.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2017-5537?

3 open source packages ship an affected version, including weblate. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `weblate` | PyPI | All versions | 2.10.1 |
| `weblate` | PyPI | All versions | 2.10.1 |
| `weblate` | PyPI | All versions | 2.10.1 |

Products: Weblate Weblate.

## How do I fix CVE-2017-5537?

Upgrade weblate to 2.10.1 or later.

## Is CVE-2017-5537 being exploited?

There is no known exploitation of CVE-2017-5537 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2025-68398](https://insights.sbomify.com/CVE-2025-68398/): Weblate has git config file overwrite vulnerability that leads to remote code execution (critical 9.1)
- [CVE-2026-34393](https://insights.sbomify.com/CVE-2026-34393/): Weblate: Privilege escalation in the user API endpoint (high 8.8)
- [CVE-2026-33435](https://insights.sbomify.com/CVE-2026-33435/): Weblate: Remote code execution during backup restoration (high 8.1)
- [CVE-2026-34242](https://insights.sbomify.com/CVE-2026-34242/): Weblate: Arbitrary File Read via Symlink (high 7.7)
- [CVE-2025-68279](https://insights.sbomify.com/CVE-2025-68279/): Weblate has an arbitrary file read via symbolic links (high 7.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-5537 and fix it if it is affected.

What it is: CVE-2017-5537 is a medium-severity vulnerability in n/a, published on 15 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-5537 in the wild and no public exploit code.

Affected packages and fixed versions:
- weblate (PyPI): affected all versions; fixed in 2.10.1
- weblate (PyPI): affected all versions; fixed in 2.10.1
- weblate (PyPI): affected all versions; fixed in 2.10.1

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-2017-5537/ (Markdown: https://insights.sbomify.com/CVE-2017-5537/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-5537
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-5537
- OSV: https://osv.dev/vulnerability/CVE-2017-5537

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-5537/
Summaries are generated and may contain mistakes; the official description above is the record.