Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through 4.7.8, `Handlebars.compile()` accepts a pre-parsed AST object in addition to a template string. The `value` field of a `NumberLiteral` AST node is emitted directly into the generated JavaScript without quoting or sanitization. An attacker who can supply a crafted AST to `compile()` can therefore inject and execute arbitrary JavaScript, leading to Remote Code Execution on the server. Version 4.7.9 fixes the issue. Some workarounds are available. Validate input type before calling `Handlebars.compile()`; ensure the argument is always a `string`, never a plain object or JSON-deserialized value. Use the Handlebars runtime-only build (`handlebars/runtime`) on the server if templates are pre-compiled at build time; `compile()` will be unavailable.

According to its self-reported version, the Nessus Network Monitor running on the remote host is prior to 6.5.4. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2026-14 advisory.

  - An integer overflow can be triggered in SQLite's `concat_ws()` function. The resulting, truncated integer     is then used to allocate a buffer. When SQLite then writes the resulting string to the buffer, it uses the     original, untruncated size and thus a wild Heap Buffer overflow of size ~4GB can be triggered. This can     result in arbitrary code execution. (CVE-2025-3277)

  - When using `CURLOPT_PINNEDPUBLICKEY` option with libcurl or `--pinnedpubkey` with the curl tool,curl     should check the public key of the server certificate to verify the peer. This check was skipped in a     certain condition that would then make curl allow the connection without performing the proper check, thus     not noticing a possible impostor. To skip this check, the connection had to be done with QUIC with ngtcp2     built to use GnuTLS and the user had to explicitly disable the standard certificate verification.
    (CVE-2025-13034)

  - When doing multi-threaded LDAPS transfers (LDAP over TLS) with libcurl, changing TLS options in one thread     would inadvertently change them globally and therefore possibly also affect other concurrently setup     transfers. Disabling certificate verification for a specific transfer could unintentionally disable the     feature for other threads as well. (CVE-2025-14017)

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

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-6599e30e04 advisory.

    33.0.3 Release

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-cb5661d883 advisory.

    33.0.3 Release

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-2fed8dd674 advisory.

    33.0.3 Release

Tenable has extracted the preceding description block directly from the Fedora security advisory.

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.

  - Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through     4.7.8, `Handlebars.compile()` accepts a pre-parsed AST object in addition to a template string. The     `value` field of a `NumberLiteral` AST node is emitted directly into the generated JavaScript without     quoting or sanitization. An attacker who can supply a crafted AST to `compile()` can therefore inject and     execute arbitrary JavaScript, leading to Remote Code Execution on the server. Version 4.7.9 fixes the     issue. Some workarounds are available. Validate input type before calling `Handlebars.compile()`; ensure     the argument is always a `string`, never a plain object or JSON-deserialized value. Use the Handlebars     runtime-only build (`handlebars/runtime`) on the server if templates are pre-compiled at build time;
    `compile()` will be unavailable. (CVE-2026-33937)

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

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

  - Handlebars provides the power necessary to let users build semantic templates. In versions 4.0.0 through
    4.7.8, `Handlebars.compile()` accepts a pre-parsed AST object in addition to a template string. The
    `value` field of a `NumberLiteral` AST node is emitted directly into the generated JavaScript without
    quoting or sanitization. An attacker who can supply a crafted AST to `compile()` can therefore inject and
    execute arbitrary JavaScript, leading to Remote Code Execution on the server. Version 4.7.9 fixes the
    issue. Some workarounds are available. Validate input type before calling `Handlebars.compile()`; ensure
    the argument is always a `string`, never a plain object or JSON-deserialized value. Use the Handlebars
    runtime-only build (`handlebars/runtime`) on the server if templates are pre-compiled at build time;
    `compile()` will be unavailable. (CVE-2026-33937)

ID	Name	Product	Family	Severity
314931	Nessus Network Monitor < 6.5.4 Multiple Vulnerabilities (TNS-2026-14)	Nessus	Misc.	medium
313733	Fedora 43 : nextcloud (2026-6599e30e04)	Nessus	Fedora Local Security Checks	medium
313662	Fedora 44 : nextcloud (2026-cb5661d883)	Nessus	Fedora Local Security Checks	medium
313661	Fedora 42 : nextcloud (2026-2fed8dd674)	Nessus	Fedora Local Security Checks	medium
304157	Linux Distros Unpatched Vulnerability : CVE-2026-33937	Nessus	Misc.	critical
439342	SCA: security update for handlebars (GHSA-2w6w-674q-4c4q)	Tenable Cloud Security	SCA Checks	critical
439342	SCA: security update for handlebars (GHSA-2w6w-674q-4c4q)	Tenable Self-Hosted Container Security	SCA Checks	critical

Detections

Analytics

CVE-2026-33937

critical

Tenable Plugins

medium

medium

medium

medium

critical

critical

critical