What is CVE-2026-32726?

CVE-2026-32726 is a high-severity vulnerability in Scitokens Scitokens-cpp, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-03-31.

How severe is CVE-2026-32726?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Scitokens Scitokens-cpp

CVE-2026-32726

SciTokens C++ is a minimal library for creating and using SciTokens from C or C++. Prior to version 1.4.1, scitokens-cpp is vulnerable to an authorization bypass in path-based scope validation. The enforcer used a simple string-prefix comp…

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Scitokens Scitokens-cpp — versions < 1.4.1

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

https://github.com/scitokens/scitokens-cpp/security/advisories/GHSA-q5fm-fgvx-32jq (x_refsource_CONFIRM)
https://github.com/scitokens/scitokens-cpp/commit/decfe2f00cb9cabbf1e17a3bb2cd4ea1bbbd8a73 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32726?: CVE-2026-32726 is a high-severity vulnerability in Scitokens Scitokens-cpp, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-03-31.
How severe is CVE-2026-32726?: High severity. CVSS v3 base score is 8.1 out of 10.