# CVE-2019-12300: buildbot: Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submittedauthorization token from OAuth and uses it to auth...

CVE-2019-12300 is fixed in 5 products on 1 platform, first by buildbot 2.3.1-1, released May 23, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-12300
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0184
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 23, 2019

## Description

Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submittedauthorization token from OAuth and uses it to authenticate a user. If anattacker has a token allowing them to read the user details of a victim,they can login as the victim.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | buildbot Ubuntu 20.04 LTS (focal) | 2.3.1-1 | [buildbot 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-buildbot-2.3.1-1.md) | May 23, 2019 |
| Linux | buildbot Ubuntu 24.10 (oracular) | 2.3.1-1 | [buildbot 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-buildbot-2.3.1-1.md) | Jan 16, 2026 |
| Linux | buildbot Ubuntu 25.04 (plucky) | 2.3.1-1 | [buildbot 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-buildbot-2.3.1-1.md) | Jan 16, 2026 |
| Linux | buildbot-slave Ubuntu 20.04 LTS (focal) | 2.3.1-1 | [buildbot-slave 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-buildbot-slave-2.3.1-1.md) | May 23, 2019 |
| Linux | buildbot-slave Ubuntu 24.10 (oracular) | 2.3.1-1 | [buildbot-slave 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-buildbot-slave-2.3.1-1.md) | Jan 16, 2026 |
| Linux | buildbot-worker Ubuntu 20.04 LTS (focal) | 2.3.1-1 | [buildbot-worker 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-buildbot-worker-2.3.1-1.md) | May 23, 2019 |
| Linux | buildbot-worker Ubuntu 24.10 (oracular) | 2.3.1-1 | [buildbot-worker 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-buildbot-worker-2.3.1-1.md) | Jan 16, 2026 |
| Linux | buildbot-worker Ubuntu 25.04 (plucky) | 2.3.1-1 | [buildbot-worker 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-buildbot-worker-2.3.1-1.md) | Jan 16, 2026 |
| Linux | python3-buildbot Ubuntu 20.04 LTS (focal) | 2.3.1-1 | [python3-buildbot 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-buildbot-2.3.1-1.md) | May 23, 2019 |
| Linux | python3-buildbot Ubuntu 24.10 (oracular) | 2.3.1-1 | [python3-buildbot 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-buildbot-2.3.1-1.md) | Jan 16, 2026 |
| Linux | python3-buildbot-worker Ubuntu 20.04 LTS (focal) | 2.3.1-1 | [python3-buildbot-worker 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-buildbot-worker-2.3.1-1.md) | May 23, 2019 |
| Linux | python3-buildbot-worker Ubuntu 24.10 (oracular) | 2.3.1-1 | [python3-buildbot-worker 2.3.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-buildbot-worker-2.3.1-1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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