# CVE-2026-35462: Papra Does Not Reject Expired API Keys

> Attackers can use expired API keys to bypass authentication and access protected endpoints in the Papra document management platform.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Apr 2026
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-866c-mc22-wvv5

## What is CVE-2026-35462?

CVE-2026-35462 is a medium-severity authentication bypass vulnerability in papra-hq papra, published on 7 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Papra is a minimalistic document management and archiving platform. Prior to 26.4.0, API keys with an expiresAt date are never validated against the current time during authentication. Any API key — regardless of its expiration date — is accepted indefinitely, allowing a user whose key has expired to continue accessing all protected endpoints as if the key were still valid. This vulnerability is fixed in 26.4.0.

Weakness: CWE-613 (DEPRECATED: Insufficient Session Expiration)

## Which versions are affected by CVE-2026-35462?

It affects 1 product.


Products: Papra Papra.

## How do I fix CVE-2026-35462?

No fix has been published for CVE-2026-35462 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-35462 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35462 exists.

## Other vulnerabilities in papra-hq papra

- [CVE-2026-35461](https://insights.sbomify.com/CVE-2026-35461/): Papra has a Blind Server-Side Request Forgery (SSRF) via Webhook URL (medium 5.0)
- [CVE-2026-35460](https://insights.sbomify.com/CVE-2026-35460/): Papra has an HTML Injection in Transactional Emails via Unescaped User Display Name (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-35462 and fix it if it is affected.

What it is: CVE-2026-35462 is a medium-severity authentication bypass vulnerability in papra-hq papra, published on 7 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35462 exists.

Affected product: papra-hq papra. 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-2026-35462/ (Markdown: https://insights.sbomify.com/CVE-2026-35462/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-35462
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-35462
- OSV: https://osv.dev/vulnerability/CVE-2026-35462

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-35462/
Summaries are generated and may contain mistakes; the official description above is the record.