01 Record
CVE-2026-52839
Easy!Appointments appointments/store and appointments/update allow cross-provider appointment injection — Authorization Bypass
LowPUBLISHEDCNA: GitHub_M
CNA base score3.3 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
02 Description
Easy!Appointments appointments/store and appointments/update allow cross-provider appointment injection — Authorization Bypass
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.17% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 7.3% of scored records. A rank, not a probability.
- NVD base score
- 3.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-14 15:21Z3 MO AGO
- Last updated
- 2026-07-29 16:25Z3 MO AGO
- Reserved
- 2026-06-08
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 4474dd2b0910e62a3509407d7a56ea0ca43f9ffcc62f1c257117a2f5f5b0acae
05 Affected products
VendorProductVersionsPlatforms