bw-calendar-engine version <= bw-calendar-engine-3.12.0 contains a XML External Entity…
Priority MEDIUM 41CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
bw-calendar-engine version <= bw-calendar-engine-3.12.0 contains a XML External Entity (XXE) vulnerability in IscheduleClient XML Parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning. This attack appear to be exploitable via Man in the Middle or malicious server.
Why it matters now
EPSS 0.0113 66th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.bedework.caleng:bw-calendar-engine (Maven) | up to 3.12.2 | — | No fix listed | GHSA-xmvg-w4f9-99r7 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.bedework.caleng:bw-calendar-engine (Maven) Vendor— Affected up to 3.12.2 Fixed in — No fix listed GHSA-xmvg-w4f9-99r7
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1000836
- 2026-10-03 Alias added: GHSA-xmvg-w4f9-99r7
References
Advisory 4
Sources
- CVE-2018-1000836 · CVE Program
- CVE-2018-1000836 · NVD
- FIRST EPSS
- GHSA-xmvg-w4f9-99r7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences