SimpleEval is a library for adding evaluatable expressions into python projects. Prior to 1.0.5, objects (including modules) can leak dangerous modules through to direct access inside the sandbox. If the objects you've passed in as names to SimpleEval have modules or other disallowed / dangerous objects available as attrs. Additionally, dangerous functions or modules could be accessed by passing them as callbacks to other safe functions to call. The latest version 1.0.5 has this issue fixed. This vulnerability is fixed in 1.0.5.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8301-1 advisory.

    Byambadalai Sumiya discovered that SimpleEval did not properly restrict attribute access and callback     handling inside a sandbox. An attacker could possibly use this issue to execute arbitrary code.

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

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

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-4543 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4543-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Santiago Ruano Rincn     April 21, 2026                                https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : simpleeval     Version        : 0.9.10-1+deb11u1     CVE ID         : CVE-2026-32640     Debian Bug     : 1130875

    Byambadalai Sumiya discovered that SimpleEval, a library for adding     evaluatable expressions into Python projects, didn't fully restrict some     module references, resulting in sandbox bypass.

    For Debian 11 bullseye, this problem has been fixed in version     0.9.10-1+deb11u1.

    We recommend that you upgrade your simpleeval packages.

    For the detailed security status of simpleeval please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/simpleeval

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

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

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

The remote Debian 12 / 13 host has a package installed that is affected by a vulnerability as referenced in the dsa-6220 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6220-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     April 20, 2026                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : simpleeval     CVE ID         : CVE-2026-32640

    Byambadalai Sumiya discovered that SimpleEval, a library for adding     evaluatable expressions into Python projects, didn't fully restrict some     module references, resulting in sandbox bypass.

    For the oldstable distribution (bookworm), this problem has been fixed     in version 0.9.12-1+deb12u1.

    For the stable distribution (trixie), this problem has been fixed in     version 1.0.3-1+deb13u1.

    We recommend that you upgrade your simpleeval packages.

    For the detailed security status of simpleeval please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/simpleeval

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

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

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

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

  - SimpleEval is a library for adding evaluatable expressions into python projects. Prior to 1.0.5, objects
    (including modules) can leak dangerous modules through to direct access inside the sandbox. If the objects
    you've passed in as names to SimpleEval have modules or other disallowed / dangerous objects available as
    attrs. Additionally, dangerous functions or modules could be accessed by passing them as callbacks to
    other safe functions to call. The latest version 1.0.5 has this issue fixed. This vulnerability is fixed
    in 1.0.5. (CVE-2026-32640)

ID	Name	Product	Family	Severity
316924	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : SimpleEval vulnerability (USN-8301-1)	Nessus	Ubuntu Local Security Checks	high
308345	Debian dla-4543 : python3-simpleeval - security update	Nessus	Debian Local Security Checks	high
307648	Debian dsa-6220 : python3-simpleeval - security update	Nessus	Debian Local Security Checks	high
438805	SCA: security update for simpleeval (GHSA-44vg-5wv2-h2hg)	Tenable Cloud Security	SCA Checks	high
438805	SCA: security update for simpleeval (GHSA-44vg-5wv2-h2hg)	Tenable Self-Hosted Container Security	SCA Checks	high

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