CVE-2026-5086

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 3.8%
KEV: Not listed

Published

April 13, 2026

Last Modified

May 6, 2026

Advisory Details (2)

Auto-updated May 6, 2026

No patch confirmed yet.

generic

oss-security - CVE-2026-5086: Crypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks

http://www.openwall.com/lists/oss-security/2026/04/13/12

generic

Client Challenge

https://metacpan.org/release/NERDVANA/Crypt-SecretBuffer-0.019/source/Changes

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-208

Data Freshness Timeline

(refreshed 12× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 17:32 UTCEG score recompute
2026-05-20 17:32 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-5086?

CVE-2026-5086 is a high vulnerability published on April 13, 2026. 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.

When was CVE-2026-5086 disclosed?

CVE-2026-5086 was first published in the National Vulnerability Database on April 13, 2026, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-5086 actively exploited?

CVE-2026-5086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-5086?

CVE-2026-5086 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2026-5086?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5086, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-5086

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