Medium severity · published Oct 28, 2026
CVE-2026-118272
a2ui-project a2ui Error data-context.ts DataContext.dispatchExpressionError information exposure
New
4.3
CVSS
–
EPSS
No
On KEV
Description
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A2
a2ui · a2ui-project
0.10.0; 0.10.1; 0.10.2; 0.10.3; 0.10.4; 0.10.5; +1 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-118272
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-118272
github.com
https://github.com/a2ui-project/a2ui/
github.com
https://github.com/a2ui-project/a2ui/commit/8f149a1c7b0ce1fa8e93ac3adfa5fda960faeb01
github.com
https://github.com/a2ui-project/a2ui/issues/2385
github.com
https://github.com/a2ui-project/a2ui/pull/2429
vuldb.com
https://vuldb.com/cve/CVE-2026-118272
vuldb.com
https://vuldb.com/submit/1015116
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