Auth bypass in Harness
CVE-2026-15036
A vulnerability was determined in Harness up to 2.28.2. This vulnerability affects the function getAuthorizedSpaces of the file app/api/controller/gitspace/list_all.go of the component gitspaces Endpoint. Executing a manipulation can lead to authorization bypass. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Harness — versions 2.28.0, 2.28.1, 2.28.2
Weakness classification (CWE)
References
- vuldb.com/vuln/376787 (technical-description, vdb-entry)
- vuldb.com/vuln/376787/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15036 (third-party-advisory)
- vuldb.com/submit/851013 (third-party-advisory)
- github.com/harness/harness/issues/3689 (issue-tracking, exploit)
- github.com/harness/harness/ (product)
Frequently asked questions
- What is CVE-2026-15036?
- CVE-2026-15036 is a medium-severity vulnerability in Harness, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-07-08.
- How severe is CVE-2026-15036?
- Medium severity. CVSS v3 base score is 4.3 out of 10.