Description
HTCondor up to and including stable series 8.8.6 and development series 8.9.4 has Incorrect Access Control. It is possible to use a different authentication method to submit a job than the administrator has specified. If the administrator has configured the READ or WRITE methods to include CLAIMTOBE, then it is possible to impersonate another user to the condor_schedd. (For example to submit or remove jobs)
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | condor | 23.2.0+dfsg-1 | — |
| Debian 13 | condor | 23.2.0+dfsg-1 | — |
| Debian 10 | condor | 8.6.8~dfsg.1-2+deb10u1 | DSA-5144-1 |
| Debian 9 | condor | 8.4.11~dfsg.1-1+deb9u1 | DLA-2724-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | condor | No fix yet | — |
| Ubuntu 26.04 LTS | condor | No fix yet | — |
| Ubuntu 25.10 | condor | No fix yet | — |
| Ubuntu 24.04 LTS | condor | No fix yet | — |
| Ubuntu 20.04 LTS | condor | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | condor | No fix yet | — |
| Ubuntu Pro 16.04 LTS | condor | No fix yet | — |
| Ubuntu Pro 14.04 LTS | condor | No fix yet | — |
Advisories 2
- DSA-5144-1 condor - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2724-1 condor - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://research.cs.wisc.edu/htcondor/new.html
- https://research.cs.wisc.edu/htcondor/
- https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0003.html
- https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0002.html
- https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0001.html
- https://research.cs.wisc.edu/htcondor/security/vulnerabilities/HTCONDOR-2020-0004.html
- FEDORA-2020-ae934f6790 vendor-advisory
- FEDORA-2020-f9a598f815 vendor-advisory
- FEDORA-2020-fb5af97476 vendor-advisory
- [debian-lts-announce] 20210801 [SECURITY] [DLA 2724-1] condor security update mailing-list
- DSA-5144 vendor-advisory