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Back to active CVEs
High · CVSS 7.6CVE-2026-21584

CISA ADP VulnrichmentCVE-2026-21584

Answer in brief

CVE-2026-21584 records a High severity (CVSS 7.6) vulnerability in CISA ADP Vulnrichment. The current sources do not mark it as known exploited. The current feed maps Atlassian/Bamboo Data Center (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 18, 2026Updated Sep 2, 2026Source checked Oct 4, 2026First seen by HOL Aug 18, 2026Material review Sep 2, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.6
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Atlassian/Bamboo Data Center (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:atlassian:bamboo:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Atlassian/Bamboo Data Centergeneric12.1.0 to 12.1.9 || 12.0.0 to 12.0.2 || 11.0.0 to 11.0.8 || 10.2.0 to 10.2.21 || 10.1.0 to 10.1.1 || 10.0.0 to 10.0.3Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Atlassian/Bamboo Data Center.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 18, 2026

Sources and claim methodology

  • Source referenceconfluence.atlassian.com
  • Source referencejira.atlassian.com
Upstream source description

This High severity Improper Authorization vulnerability was introduced in versions 10.0.0, 10.1.0, 10.2.0, 11.0.0, 12.0.0, and 12.1.0 of Bamboo Data Center. This Improper Authorization vulnerability, with a CVSS Score of 7.6, allows an authenticated attacker to gain unintended access and can lead to the exposure of resources or functionality, possibly providing attackers with sensitive information or even execute arbitrary code. Atlassian recommends that Bamboo Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.22 * Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.10 See the release notes (https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html). You can download the latest version of Bamboo Data Center from the download center (https://www.atlassian.com/software/bamboo/download-archives). This vulnerability was reported via our Penetration Testing program.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Omega Solution CoinEx Crypto Customer Profile API customer authorizationAlso CWE-285
  • Omega Solution CoinEx Crypto Customer Information API customer-currency authorizationAlso CWE-285
  • OpenAM before 16.1.3 PKCE Enforcement Bypass via OAuth 2.0 Hybrid FlowsAlso CWE-285
  • OpenAM before 16.1.3 Improper Authorization in Delegated Session-Destroy Realm ScopingAlso CWE-285
  • WordPress TranslatePress plugin <= 3.3.6 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Kirki plugin <= 6.3.1 - Arbitrary Code Execution vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Privilege Escalation
EPSS
Not reported
CWE IDs
CWE-285
Source
CVE List V5
Source checked
Oct 4, 2026
References
2 linked sources
Open source record