CVE-2026-5086 json
Crypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks
published 6mo ago modified 16d ago also EUVD-2026-22136
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- NERDVANA Crypt::SecretBuffer 0.019
Is CVE-2026-5086 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 6mo ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- NERDVANA Crypt::SecretBuffer
Classification
- Weakness
-
- CWE-208 Observable Timing Discrepancy
References
-
metacpan.org
/release/NERDVANA/Crypt-SecretBuffer-0.019/source/Changes
release-notes, product
-
openwall.com
/lists/oss-security/2026/04/13/12
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-5086
- NVD CVE-2026-5086
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.