# CVE-2026-35308: Oracle Coherence improper access control in Centralized Third Party Jars

Source: https://junglewise.ai/threats/cve-2026-35308-oracle-coherence-improper-access-control-in-centralized-third  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-17. Updated: 2026-06-17  
License: CC BY 4.0 with a link back

CVE-2026-35308 · Severity: critical · CVSS 10 · Published 2026-06-17

Oracle Coherence, a data grid solution used for high-speed data processing and storage, contains a critical security flaw. An unauthorized person can remotely take full control of the system over the internet without needing a password. This could lead to the theft of sensitive data, service outages, or the compromise of other connected business systems.

Technologies: [Oracle Coherence](https://junglewise.ai/threats/technologies/coherence). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-35308 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-35308 being exploited in the wild.

**How severe is CVE-2026-35308?** Critical severity, with a CVSS score of 10, published 17 June 2026.

**Which products and versions are affected?** Oracle Coherence 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0.

**Is there a fix for CVE-2026-35308?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-35308 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-35308?** Check whether you run Oracle Coherence at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A vulnerability exists in the Centralized Third Party Jars component of Oracle Coherence. The flaw is classified as Improper Access Control (CWE-284) and is easily exploitable via the HTTP protocol. An unauthenticated remote attacker can exploit this to achieve a complete takeover of the Oracle Coherence instance. Due to a scope change (Status: Changed), a successful exploit may also allow the attacker to impact additional products beyond the initial target. Affected versions include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0.

## Affected products

- Oracle Coherence 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, 15.1.1.0.0

## Timeline

- 2026-06-17: disclosed: Initial disclosure by Oracle
- 2026-06-17: advisory: NVD publication date

## References

- [https://www.oracle.com/security-alerts/cspujun2026.html](https://www.oracle.com/security-alerts/cspujun2026.html)

## Related threats

- [Oracle Coherence partial denial of service via HTTP](https://junglewise.ai/threats/cve-2026-83416-oracle-coherence-partial-denial-of-service-via-http)
- [Oracle Coherence privilege escalation via HTTP](https://junglewise.ai/threats/cve-2026-83415-oracle-coherence-privilege-escalation-via-http)
- [Oracle Coherence information disclosure in Core component](https://junglewise.ai/threats/cve-2026-83414-oracle-coherence-information-disclosure-in-core-component)
- [Oracle Coherence integrity bypass in Core](https://junglewise.ai/threats/cve-2026-83413-oracle-coherence-integrity-bypass-in-core)
- [Oracle Coherence unauthorized data access vulnerability](https://junglewise.ai/threats/cve-2026-83412-oracle-coherence-unauthorized-data-access-vulnerability)