Auth bypass in Gorse-Io Gorse
CVE-2026-56782
Gorse before 0.5.10 contains an authentication bypass vulnerability in the /api/dump and /api/restore endpoints that allows unauthenticated attackers to access protected functionality when admin_api_key is empty, which is the default configuration. Remote attackers can exfiltrate the entire database including user records, items, and feedback data containing personally identifiable information, or completely overwrite the dataset without authentication.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (88.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Gorse-Io Gorse — versions 0, 0.5.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/gorse-io/gorse/commit/19fdcbb309fb5b609e9cc3eb10c74885b5b27da9 (patch)
- github.com/gorse-io/gorse/issues/1292 (issue-tracking, technical-description)
- github.com/gorse-io/gorse/pull/1293 (issue-tracking)
- www.vulncheck.com/advisories/gorse-unauthenticated-database-dump-and-restore-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56782?
- CVE-2026-56782 is a critical-severity vulnerability in Gorse-Io Gorse, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-06-29.
- How severe is CVE-2026-56782?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-56782 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.