Skip to main content
CVE-2026-18140VulnerabilityPublished Updated

Red Hat Security Advisory: goose bug fix and enhancement update

Affects Red Hat gooseSource GCVE Database

0
Authoritative record:CVE-2026-18140· High 7.5

Not known to be exploited · CVSS 7.5 High : upgrade Red Hat aws-smithy-json to 0.62.7 soon.

Data as of 26 Oct 2026, 12:55 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 55% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.62.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 26 Oct 2026.

What to do

Upgrade aws-smithy-json to 0.62.7.

Affected software

ProductAffectedFixed in
AWSaws-smithy-jsonAffected
  • >=0.32.0 <=0.62.6
Fixed in–
crates.ioaws-smithy-jsonpkg:cargo/aws-smithy-jsonOther threatsAffected
  • <0.62.7
Fixed in
  • 0.62.7

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Security Fix(es): * goose: aws-smithy-json: Denial of Service via uncontrolled recursion with deeply nested JSON (CVE-2026-18140) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

Community reviews

Loading reviews…