Red Hat Security Advisory: Red Hat build of Quarkus 3.33.4.SP1 release and security update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 9.8 Critical · fixed in Red Hat package updates : patch Red Hat com.fasterxml.jackson.core:jackson-databind as a priority.
Data as of 29 Oct 2026, 10:09 UTC
Thin evidence
One scorer or none| CNA (HeroDevs) | CVSS 3.1 | 9.8 |
|---|
- EPSS
- 1.1% chance of exploitation in 30 days – higher than 67% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.22.4, 2.21.8, 2.18.12 +2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade jackson-databind and com.fasterxml.jackson.core/jackson-databind to 2.22.4, 2.21.8 or 2.18.12; jackson-databind and tools.jackson.core/jackson-databind to 3.2.4 or 3.1.8.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| jackson-databindcom.fasterxml.jackson.core:jackson-databind | Affected
| Fixed in
|
| jackson-databindcom.fasterxml.jackson.core:jackson-databind | Affected
| Fixed in
|
| jackson-databindcom.fasterxml.jackson.core:jackson-databind | Affected
| Fixed in
|
| jackson-databindtools.jackson.core:jackson-databind | Affected
| Fixed in
|
| jackson-databindtools.jackson.core:jackson-databind | Affected
| Fixed in
|
Mavencom.fasterxml.jackson.core/jackson-databindpkg:maven/com.fasterxml.jackson.core/jackson-databindOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This release of Red Hat build of Quarkus 3.33.4.SP1 includes the following CVE fix: * jackson-databind: Jackson-databind: PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CVE-2026-54512) [quarkus-3.33] (CVE-2026-110879) For more information, see the release notes page listed in the References section.
References
- access.redhat.com/errata/RHSA-2026:90311 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- access.redhat.com/products/quarkus/ (opens in a new tab)
- access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=redhat.quarkus&downloadType=distributions&version=3.33.4.SP1 (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_build_of_quarkus/3.33 (opens in a new tab)
- issues.redhat.com/browse/QUARKUS-9602 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_90311.json (opens in a new tab)