CVE-2026-5086
CVE-2026-5086 is a high-severity vulnerability in Nerdvana Crypt with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-208.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-22136
- Weakness: CWE-208
- Affected product: Nerdvana Crypt
- Published:
- Last modified:
Description
Crypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks. For example, if Crypt::SecretBuffer was used to store and compare plaintext passwords, then discrepencies in timing could be used to guess the secret password.
Frequently asked questions
- What is CVE-2026-5086?
- Crypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks. For example, if Crypt::SecretBuffer was used to store and compare plaintext passwords, then discrepencies in timing could be used to guess the secret password.
- How severe is CVE-2026-5086?
- CVE-2026-5086 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-5086 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-5086?
- CVE-2026-5086 affects Nerdvana Crypt. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-5086?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-5086 have an EU (EUVD) identifier?
- Yes. CVE-2026-5086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22136.
- When was CVE-2026-5086 published?
- CVE-2026-5086 was published on 2026-04-13 and last updated on 2026-06-17.
References
- https://metacpan.org/release/NERDVANA/Crypt-SecretBuffer-0.019/source/Changes
- http://www.openwall.com/lists/oss-security/2026/04/13/12
Affected products (1)
- cpe:2.3:a:nerdvana:crypt\:\:secretbuffer:*:*:*:*:*:perl:*:*
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