Red Hat Security Advisory: resteasy security update
Affects Red Hat resteasySource GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 29 Oct 2026, 08:13 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.5 |
|---|
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 31 Aug 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Build of Apache Camel 3.33.3.SP1org.jboss.resteasy/resteasy-core | Affected– | Fixed in– |
| Red Hat build of Keycloak 26.6rhbk/keycloak-operator-bundle | Affected– | Fixed in– |
| Red Hat build of Keycloak 26.6rhbk/keycloak-rhel9 | Affected– | Fixed in– |
| Red Hat build of Keycloak 26.6rhbk/keycloak-rhel9-operator | Affected– | Fixed in– |
| Red Hat build of Keycloak 26.6.7keycloak/rhbk-rhel9-operator | Affected– | Fixed in– |
| Red Hat build of Keycloak 26.6.7resteasy-core | Affected– | Fixed in– |
AI-suggested
Red Hat has released updated packages for Red Hat Enterprise Linux 9 that address this vulnerability. Users should apply the official Red Hat update as described in the advisory RHSA-2026:72424 and the referenced article https://access.redhat.com/articles/11258 to remediate the issue. No additional mitigation steps are indicated beyond applying the update.
Description
A security vulnerability (CVE-2026-17615) has been identified in RESTEasy, a JBoss project framework for building RESTful Web Services and Java applications. The vulnerability allows remote unauthenticated attackers to read files via the SourceProvider component. Red Hat has issued a security advisory and released updates for Red Hat Enterprise Linux 9 to address this issue.