Skip to main content
VulnerabilityPublished

CVE-2026-93450: go-openapi swag · Uncontrolled Recursion

Affects go-openapi swagSource CVE Database V5

0
Compare

Not known to be exploited · CVSS 8.7 High : upgrade to 0.27.1 soon.

Data as of 1 Nov 2026, 22:58 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 60% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.27.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 1 Nov 2026.

What to do

Upgrade go-openapi swag to 0.27.1.

Affected software

ProductAffectedFixed in
go-openapiswagAffected
  • <0.27.1
Fixed in
  • 0.27.1
Goswagpkg:golang/swagOther threatsAffected
  • <0.27.1
Fixed in
  • 0.27.1

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

AI-suggested

A fix is available in version 0.27.1 of the go-openapi swag jsonutils library. Users should upgrade to version 0.27.1 or later to remediate this vulnerability.

Description

CVE-2026-93450 is a high-severity stack overflow vulnerability in the go-openapi swag jsonutils library before version 0.27.1. It occurs due to uncontrolled recursion during ordered JSON parsing and serialization without a depth limit. Remote unauthenticated attackers can exploit this by submitting deeply nested JSON documents, causing the affected process to crash and terminate ongoing requests.

References

Community reviews

Loading reviews…