CVE-2026-12353
MEDIUMDescription
An unauthenticated attacker could trigger an Out of Memory condition to crash the Java process for RHCS by repeatedly sending HTTP requests to the TLS endpoint. Depending on how the RHCS server is configured, a manual intervention to restart it may prove necessary.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploit Intelligence
Low risk: more likely to be exploited than 36% of all known CVEs.
References
Related Vulnerabilities
Other CWE-772 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2003-0132 | Medium | 5.0 | 87% | - | Fix |
| CVE-2017-14495 | High | 7.5 | 84% | - | Fix |
| CVE-2021-22883 | High | 7.5 | 74% | - | Fix |
| CVE-2024-2398 | High | 8.6 | 36% | - | Fix |
| CVE-2020-9375 | High | 7.5 | 27% | - | - |
| CVE-1999-1127 | High | 7.5 | 18% | - | - |
Common questions
How do I fix CVE-2026-12353?
No published fix for CVE-2026-12353 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-12353 being actively exploited?
Not that we know of. CVE-2026-12353 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.44% is the estimated probability that it will be exploited in the next 30 days. That is higher than 36% of all scored CVEs.
How severe is CVE-2026-12353?
CVE-2026-12353 has a CVSS v3 base score of 5.3, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-24.