CVE-2026-39820

High

Advisory

Published 7 May 2026In the index since 5 Sept 2026

Severity: High; worst across findings
CVSS: 7.5; base score, highest
EPSS: 0.008; 55th percentile
CISA KEV: Not listed; no confirmed exploitation
Charts affected: 4,105; of 17,832 indexed, latest versions
Container images: 4,678; deployed by those charts
Fix available: 1 of 2; affected packages

Quadratic string concatentation in consumeComment in net/mail

Carried by container images the latest versions of 4,105 of 17,832 indexed charts deploy, on 4,678 images.

Affected package	Affected versions	Fixed in	Images
golang-1.19deb	1.19.8-2	no fix listed	1
stdlibgolang	go1.13, go1.13.1, go1.13.3, go1.13.4+182 more	1.25.10	4,678

OSV records: DEBIAN-CVE-2026-39820 GO-2026-4986
Also known as: BIT-golang-2026-39820

Charts affected

4,105 by stars

Chart

Latest

Affected images

Radar Score

zahori-moonzahori

1.0.1

3 of 3 See more

zahori-moon zahori 1.0.1

3 of the 3 container images this version deploys carry CVE-2026-39820.

Container image	Digest	Package	Fixed in
quay.io/aerokube/moon :2.5.1	a8837b00ba1c	stdlib@go1.20.4	1.25.10
quay.io/aerokube/moon-conf :2.5.1	9ca307b30080	stdlib@go1.20.4	1.25.10
quay.io/aerokube/moon-ui :2.0.5	89990b146824	stdlib@go1.20.5	1.25.10

Open the chart page →

2,908

zahori-schedulerzahori

1.0.1

1 of 1 See more

zahori-scheduler zahori 1.0.1

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container image	Digest	Package	Fixed in
zahoriaut/zahori-scheduler :1.0.0	47d0979b1184	stdlib@go1.20.5	1.25.10

Open the chart page →

2,485

posthogzeet

0.23.2

1 of 9 See more

posthog zeet 0.23.2

1 of the 9 container images this version deploys carry CVE-2026-39820.

Container image	Digest	Package	Fixed in
altinity/clickhouse-operator :0.19.0	7a85f522c5bc	stdlib@go1.17.13	1.25.10

Open the chart page →

3,711

zookeeper-exporterzookeeper-exporter

0.1.0

1 of 1 See more

zookeeper-exporter zookeeper-exporter 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-39820.

Container image	Digest	Package	Fixed in
dabealu/zookeeper-exporter :latest	86106fec315f	stdlib@go1.14.15	1.25.10

Open the chart page →

1,249

zoo-project-druzoo-project

0.10.4

1 of 6 See more

zoo-project-dru zoo-project 0.10.4

1 of the 6 container images this version deploys carry CVE-2026-39820.

Container image	Digest	Package	Fixed in
library/postgres :18.4-alpine3.24	9a8afca54e78	stdlib@go1.24.6	1.25.10

Open the chart page →

8,128

Container images carrying it

4,678 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

Container image	Digest	Package	Fixed in	Used by
library/influxdb :2.7.4-alpine	a10d46445d68	stdlib@go1.21.3	1.25.10	1
library/influxdb :2.8	af89d51080c9	stdlib@go1.24.9	1.25.10	1
library/influxdb :1.12.3-data	b0f9fc41ed79	stdlib@go1.24.13	1.25.10	1
library/influxdb :2.0.8	ba10ac9ba17a	stdlib@go1.16.5	1.25.10	1
library/influxdb :2.3.0-alpine	d7f5dd5f70e2	stdlib@go1.18.3	1.25.10	1
library/kapacitor :1.6.3	7232f6388a4d	stdlib@go1.17.2	1.25.10	1
library/logstash :7.17.8	17a4f64e9cf5	stdlib@go1.19.3	1.25.10	1
library/logstash :9.1.2	33eae14f0867	stdlib@go1.23.12	1.25.10	1
library/mariadb :10.7.3	07e06f2e7ae9	stdlib@go1.16.7	1.25.10	1
library/mariadb :10.11.2	1c33370a599c	stdlib@go1.16.7	1.25.10	1
library/mariadb :10.4	22edfe1c7834	stdlib@go1.18.2	1.25.10	1
library/mariadb :10.8.2-focal	490f01279be1	stdlib@go1.16.7	1.25.10	1
library/mariadb :12.0.2	5b6a1eac15b8	stdlib@go1.18.2	1.25.10	1
library/mariadb :12.3.2	628f228f0fd5	stdlib@go1.24.6	1.25.10	1
library/mariadb :11.8.4	6b848cb24fbb	stdlib@go1.24.6	1.25.10	1
library/mariadb :11	79d59758afc9	stdlib@go1.24.6	1.25.10	1
library/mariadb :10.6.21	8a16204dc96c	stdlib@go1.18.2	1.25.10	1
library/mariadb :10.7	9a48ac9f196f	stdlib@go1.16.7	1.25.10	1
library/mariadb :12.3.2	a02fe89cb597	stdlib@go1.24.6	1.25.10	1
library/mariadb :12.3.3	ab1c3dd38194	stdlib@go1.24.6	1.25.10	1
library/mariadb :12.2.2	b1cb255a9939	stdlib@go1.24.6	1.25.10	1
library/mariadb :10.10.2	bfc25a68e113	stdlib@go1.16.7	1.25.10	1
library/mariadb :10.6.15	e22328f4d714	stdlib@go1.16.7	1.25.10	1
library/mariadb :10.9.4	fbb8456ebdb1	stdlib@go1.16.7	1.25.10	1
library/mariadb :11.7.2	fcc7fcd7114a	stdlib@go1.18.2	1.25.10	1
library/mongo :7.0.14	0032d2ca20db	stdlib@go1.21.12	1.25.10	1
library/mongo :8.0	02a0cc7939f5	stdlib@go1.24.6	1.25.10	1
library/mongo :4.4.13	05678ae4e5e1	stdlib@go1.16.7	1.25.10	1
library/mongo :5.0.32-focal	3b6c281e1c08	stdlib@go1.24.0	1.25.10	1
library/mongo :4.4-bionic	3d0e6df9fd5b	stdlib@go1.16.3	1.25.10	1
library/mongo :5.0.14-focal	50cae5081ab4	stdlib@go1.17.10	1.25.10	1
library/mongo :6.0.12	646902910d6a	stdlib@go1.18.2	1.25.10	1
library/mongo :4.2	699d652ed674	stdlib@go1.18.2	1.25.10	1
library/mongo :noble	6ede2806c78e	stdlib@go1.24.6	1.25.10	1
library/mongo :6.0.2	71a63fc2438e	stdlib@go1.17.10	1.25.10	1
library/mongo :5.0.21	7c81758cb295	stdlib@go1.19.12	1.25.10	1
library/mongo :8.3.9	81a1c8842a09	stdlib@go1.24.6	1.25.10	1
library/mongo :7.0.28-jammy	88785f6f665a	stdlib@go1.24.0	1.25.10	1
library/mongo :7.0.12	ae1cf99fa7bf	stdlib@go1.21.12	1.25.10	1
library/mongo :4.4.18	d23ec07162ca	stdlib@go1.17.10	1.25.10	1
library/mongo :8.0.11	dca8d11fe467	stdlib@go1.23.8	1.25.10	1
library/mysql :8.4.3	106d5197fd8e	stdlib@go1.18.2	1.25.10	1
library/mysql :8.0.30	3c1aab708f6e	stdlib@go1.16.7	1.25.10	1
library/mysql :8.4.10	8dbcf531a03a	stdlib@go1.24.6	1.25.10	1
library/mysql :9.0.1	92dc86967801	stdlib@go1.18.2	1.25.10	1
library/mysql :8.0-debian	9382e4f6f7f0	stdlib@go1.24.6	1.25.10	1
library/mysql :9.7.2	b2cf29815e62	stdlib@go1.24.6	1.25.10	1
library/mysql :8 :8.4 :8.4.11	b3b90af2a655	stdlib@go1.24.6	1.25.10	1
library/mysql :8.0.41	bf577825b52a	stdlib@go1.18.2	1.25.10	1
library/mysql :8.0.39	ccb8f749bb5e	stdlib@go1.18.2	1.25.10	1