Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 8.7 High : upgrade Red Hat thrift to 0.24.0 soon.
Data as of 31 Oct 2026, 20:20 UTC
- EPSS
- 1.0% chance of exploitation in 30 days – higher than 63% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.24.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 27 Jul 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 31 Oct 2026.
What to do
Upgrade Apache Thrift and github.com/apache/thrift and Apache Software Foundation/org.apache.thrift:libthrift to 0.24.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software FoundationApache Thrift | Affected
| Fixed in
|
Gogithub.com/apache/thriftpkg:golang/github.com/apache/thriftOther threats | Affected
| Fixed in
|
MavenApache Software Foundation/org.apache.thrift:libthriftpkg:maven/Apache Software Foundation/org.apache.thrift:libthriftOther 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 updated RPM packages (loki3.7-3.7.4-0.1.hum1 and related variants) that fix this vulnerability. Users should apply these updates as provided by Red Hat. No additional mitigations or workarounds are specified in the advisory.
Description
CVE-2026-48586 is a vulnerability in Apache Thrift affecting Red Hat Hardened Images RPMs. It involves improper handling of highly compressed data, allowing remote attackers to cause a denial of service (DoS) by sending specially crafted compressed data that leads to resource exhaustion. Red Hat has released updated RPM packages to address this issue.
References
- access.redhat.com/errata/RHSA-2026:45780 (opens in a new tab)
- images.redhat.com (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-48586 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_45780.json (opens in a new tab)