CVE-2026-74870: openssl_encrypt (pip) versions <= 1.4.7 contain an information exposure vulnerability where the 'hsm fido2-tes

Q: How urgent is CVE-2026-74870?

Priority 21/100. On your watchlist

Routine

LOW 3.3WATCHLISTUPGRADE

CVE-2026-74870 is a low-severity flaw (CVSS 3.3) affecting openssl encrypt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

openssl_encrypt (pip) versions <= 1.4.7 contain an information exposure vulnerability where the 'hsm fido2-test' and 'hsm onlykey-test' diagnostic commands unconditionally print the full derived hardware pepper as hex to stdout/stderr (crypt_cli.py, handle_hsm_command). The printed value can persist in terminal scrollback, session recordings, or CI logs. Impact is limited because the pepper is derived from a random per-invocation test salt and is

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-532
Published	2026-08-17
Last modified	2026-09-03

Publisher (CNA): VulnCheck · Vendor: jahlives

Last updated 2026-09-03 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-17 11:16 UTCPublished CVE record published
2026-09-03 16:07 UTCUpdated Record last modified

jahlives openssl encrypt UPGRADE

Affected: < 1.4.7

Fixed in: 1.4.7

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show openssl-encrypt

2. UPGRADE to 1.4.7

pip install --upgrade "openssl-encrypt>=1.4.7"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-74870?

openssl encrypt: upgrade to 1.4.7. Exact commands for each OS are on this page.

Is CVE-2026-74870 being exploited?

CVE-2026-74870 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-74870 affect?

CVE-2026-74870 affects openssl encrypt. Severity is low (CVSS 3.3). openssl_encrypt (pip) versions <= 1.4.7 contain an information exposure vulnerability where the 'hsm fido2-test' and 'hsm onlykey-test' diagnostic commands unconditionally print the full derived hardware pepper as hex to stdout/stderr (cryp

How urgent is CVE-2026-74870?

Priority 21/100. On your watchlist

Software pages

OpenSSL vulnerabilities

Related CVEs

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CVE-2026-74890 MEDIUM 5.5 UPGRADE openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that di
CVE-2026-74881 MEDIUM 6.5 UPGRADE openssl_encrypt versions before 1.4.0 configure CORS with allow_origins set to wildcard and allow_credentials

References

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