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CVE-2026-118272

a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure

CVSS score

5.3

EPSS probability

—

Risk score

0.5

Published

3 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

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Vulnerability description

DayBreach AI Explanation

Verified against sources

CVE-2026-118272: a2ui-project a2ui DataContext.dispatchExpressionError Information Exposure Vulnerability

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A vulnerability has been detected in a2ui-project a2ui leading to information exposure through error messages. The issue affects the DataContext.dispatchExpressionError function in renderers/web_core/src/v0_9/rendering/data-context.ts within the error handler component.

Why does it matter?

Allowing remote attacks, this vulnerability can lead to sensitive information leakage via error messages. An exploit is currently public.

What should be done?

  • Install the patch named 8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01
  • Follow the vendor advisory
Chain of evidence and sources2 verified claims

a2ui-project a2ui ürününün 0.10.6 sürümüne kadar olan sürümleri bilgi ifşası açığından etkilenmektedir.

S0 · daybreach-canonicalS1 · cvelist

Söz konusu açık uzaktan istismar edilebilir ve kamuya açık bir istismara sahiptir.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

A vulnerability was detected in a2ui-project a2ui up to 0.10.6. Affected is the function DataContext.dispatchExpressionError of the file renderers/web_core/src/v0_9/rendering/data-context.ts of the component Error Handler. Performing a manipulation results in information exposure through error message. It is possible to initiate the attack remotely. The exploit is now public and may be used. The patch is named 8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01. It is suggested to install a patch to address this issue.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

CWE: CWE-209, CWE-200

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-2026-118272 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1a2ui-projecta2ui 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
5.3CVSS V4_0MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:PCVE CNA
4.3CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:CCVE CNA
4.3CVSS V3_0MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:CCVE CNA
4.3CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NNVD
4.0CVSS V2_0—AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:CCVE CNA
4.0CVSS V2—AV:N/AC:L/Au:S/C:P/I:N/A:NNVD
2.1CVSS V40LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
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-2026-118272 is associated with the following CWEs:

CWE-209: Common Weakness Enumeration Entry CWE-209CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

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-2026-118272 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

VDB-427570 | a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposurevendor-advisoryVDB-427570 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisoryCVE-2026-118272 | CVE Analysis and Reportvendor-advisorySubmit #1015116 | a2ui-project a2ui <=0.10.6 CWE-209vendor-advisoryhttps://github.com/a2ui-project/a2ui/issues/2385vendor-advisoryhttps://github.com/a2ui-project/a2ui/pull/2429patchhttps://github.com/a2ui-project/a2ui/commit/8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01patchhttps://github.com/a2ui-project/a2ui/vendor-advisory

CVSS Vector Radar Chart

5.3 / 10
Attack VectorNetworkComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama doğrulandı

4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

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a2ui-project

Weakness Type (CWE & CAPEC)

CWE-209 CWE-200

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CVE-2026-118272 · a2ui-project a2ui Error data-context.ts…