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CVE-2026-32725

Scitokens Cpp Library path traversal

8.3 HIGHPublic exploitEPSS 0.99%
  1. Published31 Mar 2026

Description

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 when processing path-based scopes in tokens. The library normalizes the scope path from the token before authorization and collapses ".." path components instead of rejecting them. As a result, an attacker can use parent-directory traversal in the scope claim to broaden the effective authorization beyond the intended directory. This issue has been patched in version 1.4.1.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected products

Scitokens Cpp Library< 1.4.1

Remediation

Fixed in
Scitokens Cpp Library≥ 1.4.1

References

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Frequently asked

Is CVE-2026-32725 being actively exploited?

CVE-2026-32725 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.99%.

How severe is CVE-2026-32725?

CVE-2026-32725 has a CVSS 3.1 base score of 8.3, rated high. EPSS estimates a 0.99% probability of exploitation.

Which products are affected by CVE-2026-32725?

Affected products include Scitokens Cpp Library.

How do I fix CVE-2026-32725?

Upgrade affected software to a fixed version, for example Scitokens Cpp Library 1.4.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-32725 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.