# CVE-2026-64822: djangoSIGE 1.10 User Enumeration via ForgotPasswordView

> Unauthenticated attackers can enumerate valid user accounts in djangoSIGE by analyzing distinct error messages from the password reset endpoint.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Jul 2026
- **Updated:** 22 Jul 2026
- **Also known as:** GHSA-92g2-rghg-v947

## What is CVE-2026-64822?

CVE-2026-64822 is a medium-severity vulnerability in thiagopena djangoSIGE, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

djangoSIGE through 1.10 (commit a6fe7e8) contains a user enumeration vulnerability in ForgotPasswordView within djangosige/apps/login/views.py that allows unauthenticated attackers to identify valid accounts by observing distinct error messages returned by the password reset endpoint. Attackers can submit arbitrary usernames or email addresses to the POST login/esqueceu/ endpoint and distinguish between existing and non-existing accounts based on observable discrepancies in the application's responses.

Weakness: CWE-203 (Observable Discrepancy)

## Which versions are affected by CVE-2026-64822?


## How do I fix CVE-2026-64822?

No fix has been published for CVE-2026-64822 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-64822 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-64822 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-64822 and fix it if it is affected.

What it is: CVE-2026-64822 is a medium-severity vulnerability in thiagopena djangoSIGE, published on 21 Jul 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-2026-64822 exists.

Affected product: thiagopena djangoSIGE. 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-2026-64822/ (Markdown: https://insights.sbomify.com/CVE-2026-64822/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-64822
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-64822
- OSV: https://osv.dev/vulnerability/CVE-2026-64822

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-64822/
Summaries are generated and may contain mistakes; the official description above is the record.