Vulnerability · CVE-2026-27140
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
Published Apr 8, 2026 · catalog updated Sep 10, 2026 · SWIG file names containing
Check if you run it
No confirmed exploitation is on record for CVE-2026-27140. EPSS is 0.66%. Act only if a listed version of SWIG file names containing is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (SWIG file names containing).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.66%
- Remediation
- Advisory link
- Affected products
- cpe golang/go
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe golang/goversion unspecified
How to fix CVE-2026-27140
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-27140. EPSS is 0.66%. Act only if a listed version of SWIG file names containing is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-641; CWE-863: Incorrect Authorization. EPSS 0.66%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 8, 2026 · NIST NVD
Detected
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
Sep 10, 2026 · NIST NVD
Updated
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
Sources
- CVE.orgVulnerability recordCVE-2026-27140
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-27140
30-day exploitation probability 0.7%
first.org - NIST NVDVulnerability recordCVE-2026-27140
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.