CVE-2026-27135

High

Advisory

Published 18 Mar 2026In the index since 5 Sept 2026

Severity: High; worst across findings
CVSS: 7.5; base score, highest
EPSS: 0.008; 54th percentile
CISA KEV: Not listed; no confirmed exploitation
Charts affected: 1,450; of 17,797 indexed, latest versions
Container images: 1,500; deployed by those charts
Fix available: 3 of 3; affected packages

Red Hat Security Advisory: nghttp2 security update

Carried by container images the latest versions of 1,450 of 17,797 indexed charts deploy, on 1,500 images.

Affected package	Affected versions	Fixed in	Images
nghttp2deb	1.30.0-1ubuntu1, 1.40.0-1build1, 1.40.0-1ubuntu0.1, 1.40.0-1ubuntu0.2+11 more	1.30.0-1ubuntu1+esm3, 1.40.0-1ubuntu0.3+esm1, 1.43.0-1ubuntu0.3, 1.52.0-1+deb12u3+3 more	933
nghttp2rpm	1.33.0-1.el8, 1.33.0-1.el8_0.1, 1.33.0-3.el8_2.1, 1.33.0-3.el8_2.2+13 more	0:1.33.0-6.el8_10.2, 0:1.43.0-6.el9_7.1, 0:1.64.0-2.el10_1.1, 1.64.0-150700.3.3.1+1 more	321
nghttp2apk	1.57.0-r0, 1.64.0-r0, 1.65.0-r0, 1.68.0-r0	1.68.1	246

OSV records: ALPINE-CVE-2026-27135 DEBIAN-CVE-2026-27135 RHSA-2026:7666 RHSA-2026:7667 RHSA-2026:7668 RLSA-2026:7667 RLSA-2026:7668 UBUNTU-CVE-2026-27135 openSUSE-SU-2026:10437-1 SUSE-SU-2026:1074-1
Also known as: RHSA-2026:8538, RHSA-2026:8539, RHSA-2026:8540, RHSA-2026:8541, RHSA-2026:8545, RHSA-2026:8547, RHSA-2026:8548, USN-8233-1

Charts affected

1,450 by stars

Chart	Latest	Affected images	Radar Score

Container images carrying it

1,500 by charts deploying them

A fixed version is listed for 3 of the 3 affected packages.

Container image	Digest	Package	Fixed in	Used by
ghcr.io/dani-garcia/vaultwarden :1.33.2-alpine	63cce7624f65	nghttp2@1.64.0-r0	1.68.1	1
ghcr.io/dani-garcia/vaultwarden :1.35.2	d89a6d21e361	nghttp2@1.64.0-1.1	1.64.0-1.1+deb13u1	1
ghcr.io/danny-avila/librechat :v0.7.7	8c68abbe1cff	nghttp2@1.64.0-r0	1.68.1	1
ghcr.io/dask/dask :2024.1.0	080150de7d86	nghttp2@1.40.0-1ubuntu0.2	1.40.0-1ubuntu0.3+esm1	1
ghcr.io/dask/dask-kubernetes-operator :2026.3.0	3225d2bc6b3c	nghttp2@1.64.0-1.1	1.64.0-1.1+deb13u1	1
ghcr.io/dask/dask-notebook :2024.1.0	f53bde3acd4f	nghttp2@1.43.0-1ubuntu0.1	1.43.0-1ubuntu0.3	1
ghcr.io/data-fair/elasticsearch :7.17.1	aa45adaf59a7	nghttp2@1.40.0-1build1	1.40.0-1ubuntu0.3+esm1	1
ghcr.io/data-fair/notify :3	c739b74dabb0	nghttp2@1.64.0-r0	1.68.1	1
ghcr.io/developmentseed/titiler :0.22.4	8ac53eb38393	nghttp2@1.52.0-1+deb12u2	1.52.0-1+deb12u3	1
ghcr.io/devhatro/clamav-api :1.0.2	ff0cd9db78d3	nghttp2@1.64.0-r0	1.68.1	1
ghcr.io/devops-ia/cp-schema-registry :8.1.1-msk-iam-auth2.3.5	30d1a445acc7	nghttp2@1.43.0-6.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/devops-ia/steampipe :v2.4.1	a982103d91d3	nghttp2@1.52.0-1+deb12u2	1.52.0-1+deb12u3	1
ghcr.io/dfir-iris/iriswebapp_app :v2.4.26	e59ebde55709	nghttp2@1.64.0-1.1	1.64.0-1.1+deb13u1	1
ghcr.io/djerfy/zabbix-kubernetes-discovery :v1.4.20	7a50c07e7c69	nghttp2@1.59.0-1ubuntu0.1	1.59.0-1ubuntu0.3	1
ghcr.io/drewburr-labs/mum-discord-bot :3.1.2	6e82914e1051	nghttp2@1.52.0-1+deb12u1	1.52.0-1+deb12u3	1
ghcr.io/drogue-iot/authentication-service :0.11.0	857b137fc7b3	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/coap-endpoint :0.11.0	44790b71aa22	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/command-endpoint :0.11.0	6dce3158b851	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/console-backend :0.11.0	25d229ae5bde	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/console-frontend :0.11.0	558972f9374c	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/database-migration :0.11.0	57072c72a7cd	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/device-management-controller :0.11.0	200aea1a2b42	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/device-management-service :0.11.0	f4a5bfc06a74	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/device-state-service :0.11.0	fbf0738cfc7e	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/drogue-event-source :0.2.1	e2e812a4cf8e	nghttp2@1.33.0-3.el8_2.1	0:1.33.0-6.el8_10.2	1
ghcr.io/drogue-iot/http-endpoint :0.11.0	b612c18479e0	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/knative-operator :0.11.0	e2d927639f6e	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/mqtt-endpoint :0.11.0	32c6d2f5eab9	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/mqtt-integration :0.11.0	7ac2adb6ca49	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/outbox-controller :0.11.0	1a958edafdb1	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/postgresql-pusher :0.2.1	c6bb121ced90	nghttp2@1.33.0-3.el8_2.1	0:1.33.0-6.el8_10.2	1
ghcr.io/drogue-iot/test-cert-generator :0.11.0	6ba7e1608286	nghttp2@1.33.0-3.el8_2.1	0:1.33.0-6.el8_10.2	1
ghcr.io/drogue-iot/topic-strimzi-operator :0.11.0	5253fbf8d04c	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/ttn-operator :0.11.0	7dd5ac80c8f1	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/user-auth-service :0.11.0	adebc40ddf98	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/drogue-iot/websocket-integration :0.11.0	372dcd370945	nghttp2@1.43.0-5.el9	0:1.43.0-6.el9_7.1	1
ghcr.io/edgelesssys/coordinator :v0.5.0	bcd5b8d4c45c	nghttp2@1.30.0-1ubuntu1	1.30.0-1ubuntu1+esm3	1
ghcr.io/edgelesssys/edgelessdb-sgx-1gb :v0.3.2	7e1d7a11a11a	nghttp2@1.40.0-1build1	1.40.0-1ubuntu0.3+esm1	1
ghcr.io/element-hq/synapse :v1.111.0	22ae556e0de4	nghttp2@1.52.0-1+deb12u1	1.52.0-1+deb12u3	1
ghcr.io/ellite/wallos :2.46.0	9ce55520e7bd	nghttp2@1.64.0-r0	1.68.1	1
ghcr.io/erlkoenig91/prompt-db-frontend :1.0.7	121dc29eb14d	nghttp2@1.64.0-r0	1.68.1	1
ghcr.io/esphome/esphome :2026.4.0	78a82d810709	nghttp2@1.52.0-1+deb12u2	1.52.0-1+deb12u3	1
ghcr.io/ethpandaops/benchmarkoor :latest	5470b2ec3161	nghttp2@1.64.0-r0	1.68.1	1
ghcr.io/ethpandaops/benchmarkoor-ui :latest	d090bb2060d9	nghttp2@1.68.0-r0	1.68.1	1
ghcr.io/ethpandaops/dispatchoor-web :latest	18e30413dac2	nghttp2@1.68.0-r0	1.68.1	1
ghcr.io/ferama/rospo :v0.12.0	ab40c1745534	nghttp2@1.52.0-1+deb12u1	1.52.0-1+deb12u3	1
ghcr.io/ferama/vipien :v0.5.3	923a3f704b21	nghttp2@1.40.0-1build1	1.40.0-1ubuntu0.3+esm1	1
ghcr.io/flanksource/postgres :17.6-497383c	ebcf66281fc1	nghttp2@1.52.0-1+deb12u2	1.52.0-1+deb12u3	1
ghcr.io/flaresolverr/flaresolverr :v3.4.0	ab535d1fef5d	nghttp2@1.52.0-1+deb12u2	1.52.0-1+deb12u3	1
ghcr.io/formancehq/membership :v1.11.0	24a0113d5fb0	nghttp2@1.43.0-1ubuntu0.2	1.43.0-1ubuntu0.3	1