Alkacon OpenCms before 10.5.1 allows remote unauthenticated attackers to obtain sensitive…
Priority HIGH 71CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
Alkacon OpenCms before 10.5.1 allows remote unauthenticated attackers to obtain sensitive information via a cmis-online/query XXE attack on a Chemistry servlet.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0234 83rd percentileScored 2026-11-07
Fix Fixed org.opencms:opencms-core (Maven): 10.5.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.opencms:opencms-core (Maven) | before 10.5.1 | 10.5.1 | Patch available | GHSA-rcc6-6q2f-m2cw |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.opencms:opencms-core (Maven) Vendor— Affected before 10.5.1 Fixed in 10.5.1 Patch available GHSA-rcc6-6q2f-m2cw
Remediation
- Fix · GHSA-rcc6-6q2f-m2cw org.opencms:opencms-core (Maven) Fixed in 10.5.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42344
- 2026-10-03 Alias added: GHSA-rcc6-6q2f-m2cw
References
Sources
- CVE-2023-42344 · CVE Program
- CVE-2023-42344 · NVD
- FIRST EPSS
- GHSA-rcc6-6q2f-m2cw · GitHub Advisory Database · CC BY 4.0
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