SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-15586

Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.

MEDIUM 5.9EPSS 2.88%

Does this matter?

Lower severity and a low EPSS score (2.88%). Track it; it rarely justifies an emergency change on its own.

Description

Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.

CVSS 3.1
5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.88% probability · 87th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-362
Affected
golang/go · cloudfoundry/cf-deployment · cloudfoundry/routing-release · debian/debian linux · opensuse/leap · fedoraproject/fedora
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.88%26 October 202626 October 2026

EPSS 2.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.