There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to
    a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.
    Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0
    through 5.3.48. (CVE-2026-41851)

The version of Spring Framework installed on the remote host is 5.3.x prior to 5.3.49, 6.1.x prior to 6.1.28, 6.2.x prior to 6.2.18.1, or 7.0.x prior to 7.0.7.1. It is, therefore, affected by multiple vulnerabilities:

  - IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be     possible to exploit in combination with inadequate authorization rules. (CVE-2026-41838)

  - Applications may be vulnerable to a Regular Expression Denial of Service (ReDoS) attack if an attacker is able to     provide a pattern which is then directly or indirectly supplied to one of the following methods in AntPathMatcher:
    match, matchStart, extractUriTemplateVariables. (CVE-2026-41848)

  - In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and     org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which     can lead to unauthorized actions via gadget class deserialization. (CVE-2026-41855)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of AOS installed on the remote host is prior to 7.6.0.6. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.6.0.6 advisory.

  - In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter     and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class     instantiation, which can lead to unauthorized actions via gadget class deserialization. Affected versions:
    Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
    (CVE-2026-41855)

  - Postfix before 3.8.16, 3.9 before 3.9.10, and 3.10 before 3.10.9 sometimes allows a buffer over-read and     process crash via an enhanced status code that lacks text after the third number. (CVE-2026-43964)

  - Improper encoding of non-finite floating-point values during MapMessage JSON serialization in Apache Log4j     API produces output that is not valid JSON. This issue affects Apache Log4j API versions 2.13.1 through     2.25.4 and version 2.26.0. The fix for CVE-2026-34481 did not cover all code paths: when a MapMessage     contains a non-finite IEEE 754 value (NaN, Infinity, or -Infinity), MapMessage.asJson() emits the     corresponding bare token. RFC 8259 does not permit these tokens, so a conformant parser rejects the     resulting document. The defect is reachable only when both of the following conditions hold: * The     application uses the message resolver https://logging.apache.org/log4j/2.x/manual/json-template-     layout.html#event-template-resolver-message of JsonTemplateLayout or any other layout that relies on     MapMessage.asJson() or MapMessage.getFormattedMessage(new String[]{JSON}). * The application logs a     MapMessage that contains an attacker-controlled floating-point value. An attacker who can supply a non-     finite value can cause the affected layout to emit malformed JSON, which may corrupt the enclosing log     record or disrupt downstream log ingestion and parsing. Users are advised to upgrade to Apache Log4j API     2.25.5 or 2.26.1, both of which emit RFC 8259-compliant JSON for non-finite values. (CVE-2026-49844)

  - An authentication bypass vulnerability exists in the OAuth2 TokenIntrospectionService in Apache CXF. Due     to a missing 'throw' keyword in the security context check, the introspection endpoint     (/services/oauth2/introspect) can be accessed by any unauthenticated network attacker. However note that     this is a safeguard only in the case that someone forgot to enable authentication on the service. Users     are recommended to upgrade to version 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue. (CVE-2026-50623)

  - The 'clientId' parameter from incoming HTTP requests is directly concatenated into OAuth2 server log     warning messages without sanitizing control characters. This allows an attacker to inject arbitrary     content, including fake log entries, into the server's log files. Users are recommended to upgrade to     versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue. (CVE-2026-50629)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Applications which accept user-supplied Spring Expression Language (SpEL) expressions may be vulnerable to     a Denial of Service (DoS) attack if the evaluation of a SpEL expression triggers unbounded cache growth.
    Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0     through 5.3.48. (CVE-2026-41851)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
445503	SCA: security update for org.springframework:spring-expression (GHSA-wxpp-56q6-5pcg)	Tenable Cloud Security	SCA Checks	7/30/2026	7/30/2026	high
445503	SCA: security update for org.springframework:spring-expression (GHSA-wxpp-56q6-5pcg)	Tenable Self-Hosted Container Security	SCA Checks	7/30/2026	7/30/2026	high
320777	Spring Framework 5.3.x < 5.3.49 / 6.1.x < 6.1.28 / 6.2.x < 6.2.18.1 / 7.0.x < 7.0.7.1 Multiple Vulnerabilities	Nessus	Misc.	6/12/2026	8/25/2026	critical
341612	Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.6.0.6)	Nessus	Misc.	8/31/2026	8/31/2026	high
320092	Linux Distros Unpatched Vulnerability : CVE-2026-41851	Nessus	Misc.	6/9/2026	8/27/2026	high

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