CVE-2018-7688
Open Build Service accepts arbitrary reviews
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Open Build Service accepts arbitrary reviews
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
- Record
CVE-2018-7688- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2018-19404
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
- Record
EUVD-2018-19404- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9fp2-98jv-g7j6
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3...
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
- Record
GHSA-9fp2-98jv-g7j6- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
- Record
CVE-2018-7688- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
OSV
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
- Record
CVE-2018-7688- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-7688
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
- Record
DEBIAN-CVE-2018-7688- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-7688
A missing permission check in the review handling of openSUSE Open Build Service before 2.9.3 allowed all authenticated users to modify sources in projects where they do not have write permissions.
- Record
UBUNTU-CVE-2018-7688- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
open-build-serviceDebian:12 |
before 2.9.4-1 | 2.9.4-1 |
open-build-serviceUbuntu:18.04:LTS |
All versions, plus listed versions 2.7.4-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-7688 is a high vulnerability (CVSS 7.1) in Opensuse Open Build Service, published June 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.10%, the 65th percentile. Fixed in open-build-service 2.9.4-1.
References
github.com/openSUSE/open-build-service/commit/b15cf19e9e01115f653c76ffdc8f54cd97566553
bugzilla.suse.com/show_bug.cgi?id=CVE-2018-7688
lists.opensuse.org/opensuse-buildservice/2018-06/msg00014.html
nvd.nist.gov/vuln/detail/CVE-2018-7688
security-tracker.debian.org/tracker/CVE-2018-7688
ubuntu.com/security/CVE-2018-7688
cve.org/CVERecord?id=CVE-2018-7688