CVE WatchSep 14, 2026

CVE-2026-91145

Activiti through 7.1.0.M6 fails to validate hash-brace deferred expressions in process variables, allowing attackers to bypass expression fi

CVSS

7.1

High

EPSS

—

KEV

—

Exploit Today

—

0-100

Published: Sep 14, 2026 · Last modified: Sep 14, 2026 · CWE-917

EPSS · 30d

Not enough EPSS history yet.

Technical description

Activiti through 7.1.0.M6 fails to validate hash-brace deferred expressions in process variables, allowing attackers to bypass expression filtering. Attackers can inject expressions beginning with #{ that are stored and later evaluated in the full Spring context when a mail task uses variable-backed body fields, enabling method invocation on application beans.

Official references

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-524399.8 CRI

42.3%

——13An issue in xiandafu beetl 3.20.2 allows a remote attacker to execute arbitrary code via the type.new function and the property reflection mechanism49d CVE-2026-655918.8 HIG

40.1%

——12n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legacy expression engine is the default in affected versions. Fixed in n8n 1.123.64, 2.29.8, and 2.30.1.50d CVE-2026-572817.5 HIG

58.4%

——18Jenkins Script Security Plugin 1402.v94c9ce464861 and earlier does not reject Groovy AST transformation annotations carrying an extensions member, allowing attackers able to run sandboxed Groovy scripts to execute code outside the sandbox if a suitable script is present on the classpath of the component that evaluates the script.19d CVE-2026-409856.4 MED

13.9%

——4Applications that configure the WebFlowELExpressionParser are vulnerable to the use of malicious Unified EL expressions. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.11d CVE-2026-417298.1 HIG

32.8%

——10Spring Data REST is vulnerable to SpEL expression injection through map-typed properties when processing JSON Patch (application/json-patch+json) requests. When a persistent entity exposes a Map-typed property, the JSON Pointer path segment used as the map key is embedded directly into a SpEL expression without sanitization or validation. Affected versions: Spring Data REST 3.7.0 through 3.7.19; 4.3.0 through 4.3.16; 4.4.0 through 4.4.14; 4.5.0 through 4.5.11; 5.0.0 through 5.0.5.54d CVE-2026-417196.4 MED

10.8%

——3A SpEL Injection vulnerability exists in the Spring Data KeyValue if unsanitized user input is passed as Sort into a repository query method that delegates evaluation to the SpelPropertyComparator. Affected versions: Spring Data KeyValue / Spring Data Redis 4.0.0 through 4.0.5; 3.5.0 through 3.5.11; 3.4.0 through 3.4.14; 3.3.0 through 3.3.16; 3.2.0 through 3.2.15; 3.1.0 through 3.1.14; 3.0.0 through 3.0.15; 2.7.0 through 2.7.19.54d