CVE-2025-40905

7.3 HIGH 0.3% exploit odds No fix listed Crypto Web app

What it is

WWW::OAuth 1.000 and earlier for Perl uses the rand() function as the default source of entropy, which is not cryptographically secure, for cryptographic functions.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-02-13 00:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:22 UTC Last updatedMost recent change to the record

Details

Published: 2026-02-13 00:16 UTC
Last modified: 2026-06-17 09:22 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-338
Record status: Analyzed

Affected

Dbook www\ ≤ 1.000

Attack profile CVSS 3.1 · 7.3

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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References

NVD record · CVE.org record