CLEANSTART-2026-PC79790

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PC79790.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-PC79790
Upstream
  • CVE-2026-78663
Published
2026-10-31T00:39:18Z
Modified
2026-10-31T01:02:21Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
Summary
HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a r...
Details

CVE-2026-78663 affects multiple packages. The HTTP/2 server can refund connection-level flow control twice for the same data: Once when a client resets a stream (refunding data for any sent-but-unread portion of the stream), and again when a request handler reads the buffered data. See references for individual vulnerability details.

References

Affected packages

CleanStart
caddy

Package

Name
caddy
Purl
pkg:apk/cleanstart/caddy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.11.6-r1

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PC79790.json"
nginx-prometheus-exporter-fips

Package

Name
nginx-prometheus-exporter-fips
Purl
pkg:apk/cleanstart/nginx-prometheus-exporter-fips

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.5.3-r2

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PC79790.json"
kube-webhook-certgen

Package

Name
kube-webhook-certgen
Purl
pkg:apk/cleanstart/kube-webhook-certgen

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.8.7-r0

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PC79790.json"
prometheus-node-exporter-fips

Package

Name
prometheus-node-exporter-fips
Purl
pkg:apk/cleanstart/prometheus-node-exporter-fips

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.11.1-r8

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PC79790.json"
memcached-exporter

Package

Name
memcached-exporter
Purl
pkg:apk/cleanstart/memcached-exporter

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.17.0-r1

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PC79790.json"
prometheus-alertmanager

Package

Name
prometheus-alertmanager
Purl
pkg:apk/cleanstart/prometheus-alertmanager

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.31.1-r0

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PC79790.json"