Unthrottled Resource Allocation
Source GCVE Database
Not known to be exploited · CVSS 5.5 Medium : update Red Hat Enterprise Linux 10 when convenient.
Data as of 11 Nov 2026, 01:51 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 5.5 |
|---|
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 26 Mar 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 10 Nov 2026.
What to do
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10polkit | Affected– | Fixed in– |
| Red Hat Enterprise Linux 9polkit | Affected– | Fixed in– |
| Red Hat Hardened Imagespolkit-main | Affected– | Fixed in– |
| Red Hat Enterprise Linux 6polkit | Affected– | Fixed in– |
| Red Hat Enterprise Linux 7polkit | Affected– | Fixed in– |
| Red Hat Enterprise Linux 8polkit | Affected– | Fixed in– |
AI-suggested
Red Hat has released official security updates that fix this vulnerability. Users should apply the updated polkit packages provided in Red Hat Enterprise Linux 10 and Red Hat Hardened Images RPMs as detailed in advisories RHSA-2026:59997 and RHSA-2026:66287. Applying these updates mitigates the risk by correcting the unbounded input handling. No additional action is required beyond applying the vendor-provided patches.
Description
A vulnerability in polkit allows a local user to cause a denial of service by providing excessively long input to the polkit-agent-helper-1 setuid binary via standard input. This unbounded input can lead to an out-of-memory condition, disrupting system availability. The issue is tracked as CVE-2026-4897 with a medium severity rating and a CVSS score of 5.5. Red Hat has released security updates addressing this flaw in Red Hat Enterprise Linux 10 and Red Hat Hardened Images RPMs.
References
- nvd.nist.gov/vuln/detail/CVE-2026-4897 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:59997 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:66287 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:97463 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-4897 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2451739 (opens in a new tab)