CVE-2025-3982: A vulnerability, which was classified as problematic, was found in nortikin Sverchok 1.3.0

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-3982 is a medium-severity flaw (CVSS 4.3) affecting sverchok. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, was found in nortikin Sverchok 1.3.0. Affected is the function SvSetPropNodeMK2 of the file sverchok/nodes/object_nodes/getsetprop_mk2.py of the component Set Property Mk2 Node. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-94, CWE-1321
Published	2025-04-27
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: nortikin

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-27 19:15 UTCPublished CVE record published
2026-06-17 09:21 UTCUpdated Record last modified

nortikin sverchok DOWNGRADE

Affected: 1.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.0

1. Check installed version

apt-cache policy sverchok || rpm -q sverchok || sverchok --version

2. No fixed release: DOWNGRADE to a release before 1.3.0 (Debian / Ubuntu)

apt-cache madison sverchok sudo apt install sverchok=<VERSION_BEFORE_1.3.0> sudo apt-mark hold sverchok

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sverchok sudo dnf downgrade sverchok-<VERSION_BEFORE_1.3.0> sudo dnf versionlock add sverchok

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-3982?

sverchok: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-3982 being exploited?

CVE-2025-3982 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-3982 affect?

CVE-2025-3982 affects sverchok. Severity is medium (CVSS 4.3). A vulnerability, which was classified as problematic, was found in nortikin Sverchok 1.3.0. Affected is the function SvSetPropNodeMK2 of the file sverchok/nodes/object_nodes/getsetprop_mk2.py of the component Set Property Mk2 Node. The mani

How urgent is CVE-2025-3982?

Priority 33/100. Public exploit reference

References

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