Red Hat Security Advisory: resteasy security update
Affects Red Hat resteasy-coreSource GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 29 Oct 2026, 10:37 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 |
|---|---|---|
Mavenorg.jboss.resteasy/resteasy-corepkg:maven/org.jboss.resteasy/resteasy-coreOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released patched packages for RESTEasy in Red Hat Enterprise Linux 9.2 and its variants. Users should apply the provided updates as detailed in the Red Hat advisory (RHSA-2026:90894) to remediate the vulnerability. No additional mitigation steps are indicated beyond applying the official update.
Description
A security vulnerability (CVE-2026-17615) has been identified in RESTEasy, a JBoss project framework used for building RESTful Web Services and Java applications. The flaw 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 9.2 variants to address this issue.