CVE-2026-56300: Capgo before 12.128.2 contains unauthenticated security definer RPC functions get_user_id and get_org_perm_for_apikey that expose API key validity oracles and user UUID disclosure.
Capgo before 12.128.2 contains unauthenticated security definer RPC functions get_user_id and get_org_perm_for_apikey that expose API key validity oracles and user UUID disclosure. Unauthenticated attackers using the public API key can validate leaked keys, enumerate users and apps, and determine permission levels, significantly increasing the actionability of compromised credentials.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-56300
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-563000.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-56300 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Capgo
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-56303: Capgo before 12.128.2 contains an information disclosure vulnerability in the find_apikey_by_v…nvd · 2026-07-11
- mediumCVE-2026-56240: Capgo before 12.128.12 contains a billing authorization bypass vulnerability in the plan_valid…nvd · 2026-07-11
- mediumCVE-2026-56335: Capgo before 12.128.2 contains an authorization bypass vulnerability where write-scoped API ke…nvd · 2026-07-10
- mediumCVE-2026-56329: Capgo before 12.128.2 contains a cross-tenant preview namespace collision vulnerability caused…nvd · 2026-07-10
- mediumCVE-2026-56312: Capgo before 12.128.2 contains an improper validation vulnerability in the accept_invitation e…nvd · 2026-07-10
- mediumCVE-2026-56309: Capgo before 12.128.2 fails to enforce plan/quota restrictions on the /files/upload/attachment…nvd · 2026-07-10
More from NVD Recent CVEs
- mediumCVE-2026-15475: A weakness has been identified in MiniTool Partition Wizard up to 13.6. The affected element i…2026-07-12
- mediumCVE-2026-15474: A security flaw has been discovered in Eleveo Call Recording Software 9.7.0. Impacted is an un…2026-07-12
- mediumCVE-2026-15473: A vulnerability was identified in Eleveo Call Recording Software 9.7.0. This issue affects som…2026-07-12
- mediumCVE-2026-15472: A vulnerability was determined in Eleveo Call Recording Software 9.7.0. This vulnerability aff…2026-07-12
- mediumCVE-2026-15471: A vulnerability was found in Eleveo Call Recording Software 9.7.0. This affects an unknown par…2026-07-12