CVE-2026-27172
Java deserialization in Camel ConsulRegistry allows RCE via writable Consul KV.
Is CVE-2026-27172 being exploited?
Not confirmed. CVE-2026-27172 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.88% probability of exploitation in the next 30 days.
How severe is CVE-2026-27172?
CVE-2026-27172 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-27172?
Yes. A fix has been recorded for CVE-2026-27172. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-27172 affect?
CVE-2026-27172 affects Apache Camel 3.x (pre-4.14.6), Apache Camel 4.x (pre-4.18.1). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-27172?
Upgrade Camel to 4.19.0 (or 4.14.6/4.18.1 for LTS).
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution in Camel process through a crafted Java object read by ObjectInputStream without filtering.
Patch when possible
- affected>= 3.0.0 and < 4.14.6
- affected>= 4.15.0 and < 4.18.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.