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CVE-2026-21811

Multiple security vulnerabilities affect HCL AppScan Azure Boards Plugin (CVE-2026-12143 and CVE-2026-13149)

CVSS score

3.8

EPSS probability

—

Risk score

0.4

Published

3 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

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Vulnerability description

DayBreach AI Explanation

Verified against sources

CVE-2026-21811 HCL AppScan Azure Boards Plugin Information Disclosure Vulnerability

Sources read

2

Source agreement

Tam uyum

Evidence confidence

%63

Short explanation

HCL AppScan Azure Boards Plugin is potentially affected by an information disclosure vulnerability involving secrets accessible in plaintext during pipeline execution [S0]. Despite being masked in the user interface, these secrets can be exposed through task outputs and debug logs [S0].

Why does it matter?

The exposure of sensitive secrets in plaintext during pipeline execution increases the risk of unauthorized access and compromises configuration security [S0].

What should be done?

  • Follow the vendor advisory [S0]
  • Review pipeline configurations [S0]
  • Monitor official channels for updates [S0]
Chain of evidence and sources3 verified claims

HCL AppScan Azure Boards Plugin, boru hattı yürütmesi sırasında gizli bilgilerin düz metin olarak erişilebildiği bir bilgi ifşası zafiyetinden etkilenebilir.

S0 · daybreach-canonical

Gizli bilgiler, kullanıcı arayüzünde maskelenmiş olmasına rağmen görev çıktıları, hata ayıklama günlükleri veya ortam değişkeni dökümleri aracılığıyla sızabilir.

S0 · daybreach-canonical

İncelenen resmî kaynaklarda yama durumu doğrulanamamıştır.

S0 · daybreach-canonical
Show the technical text from the sources

HCL AppScan Azure Boards Plugin is potentially affected by an Information Disclosure vulnerability involving secrets accessible in plaintext during pipeline execution. Depending on the pipeline configuration, these secrets could be exposed through task outputs, debug logs, environment variable dumps, or build agent scripts, despite being masked in the user interface.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CWE: CWE-522

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-21811 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1HCL SoftwareAppScan Integration with Azure Boards for ASoC & A360 View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
3.8CVSS V3_1LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:NCVE CNA
3.8CVSS V31LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:NNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-21811 is associated with the following CWEs:

CWE-522: Common Weakness Enumeration Entry CWE-522

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-21811 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsHigh
UserGerekmiyor

Official Sources and Advisories

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134539vendor-advisory

CVSS Vector Radar Chart

3.8 / 10
Attack VectorNetworkComplexityLowPrivilegesHighUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

HS
HCL Software logo
HCL Software

Weakness Type (CWE & CAPEC)

CWE-522

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CVE-2026-21811 · Multiple security vulnerabilities affect…