SCA: security update for sigstore (GHSA-hm8f-75xx-w2vr)

medium Tenable Cloud Security Plugin ID 437376

Description

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

- sigstore-python is a Python tool for generating and verifying Sigstore signatures. Prior to version 4.2.0,
the sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery.
`_OAuthSession` creates a unique "state" and sends it as a parameter in the authentication request but the
"state" in the server response seems not not be cross-checked with this value. Version 4.2.0 contains a
patch for the issue. (CVE-2026-24408)

See Also

https://github.com/advisories/GHSA-hm8f-75xx-w2vr

Plugin Details

Severity: Medium

ID: 437376

Version: Revision 1.11

Type: Local

Family: SCA Checks

Published: 1/29/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.8

Percentile: 22.6

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-24408

CVSS v3

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/26/2026

Vulnerability Publication Date: 1/26/2026

Reference Information

CVE: CVE-2026-24408

cwe: CWE-352