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Security fixes in prometheus-alertmanager 0.34.0-r1 (CVE-2026-56864)

0
Medium
Published: 09/01/2026 (09/01/2026, 11:17:16 UTC)
Source: GCVE Database
Product: prometheus-alertmanager

Description

Two vulnerabilities identified as CVE-2026-56864 and CVE-2026-56865 in prometheus-alertmanager are fixed in version 0.34.0-r1. The package update addresses these security issues. No detailed technical information or CVSS scores are provided for CVE-2026-56864. No known exploits are reported in the wild.

Affected software

Alpineghsa
prometheus-alertmanager
Affected versions
<0.34.0-r1=0.34.0-r1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/08/2026, 00:54:27 UTC

Technical Analysis

The prometheus-alertmanager package prior to version 0.34.0-r1 contains two vulnerabilities, including CVE-2026-56864. These vulnerabilities are resolved in version 0.34.0-r1. Specific technical details about the nature of CVE-2026-56864 are not provided in the available data. The fix is included in the Alpine ecosystem package update.

Potential Impact

The vulnerabilities could potentially affect systems running prometheus-alertmanager versions before 0.34.0-r1. No information is available about active exploitation or the exact impact of CVE-2026-56864. Without further details, the precise risk to confidentiality, integrity, or availability cannot be assessed.

Mitigation Recommendations

Upgrade prometheus-alertmanager to version 0.34.0-r1 or later to apply the official fixes for CVE-2026-56864 and CVE-2026-56865. Since a patch is available, applying this update is the recommended remediation.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
CLEANSTART-2026-GW32041
Osv Schema Version
1.7.3
Ecosystems
["Alpine"]
State
PUBLISHED

Threat ID: 6a984542acd9273b496aae83

Added to database: 09/02/2026, 15:48:18 UTC

Last enriched: 09/08/2026, 00:54:27 UTC

Last updated: 10/17/2026, 18:48:20 UTC

Views: 29

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