CVE & CISA-KEV Catalog

CVE-2026-81695

LOW
3.3
CVSS v3
NVD

Description

openssl_encrypt versions before 1.4.9 fail to escape attacker-controlled key_id values printed to stderr during decrypt auto-detection. Attackers can craft encrypted files with malicious key_id containing escape sequences to repaint terminal output and forge authenticity verification blocks.

How to fix

Remediation Available
openssl encryptNVD
Affected:< 1.4.9Fixed in:1.4.9CVE-2026-81695derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

0.18%probability of exploitation in 30 days
8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-117 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-43410Medium5.32.4%-Fix
CVE-2022-32549Medium5.32.4%--
CVE-2019-14864Medium6.51.9%-Fix
CVE-2021-42250Medium6.51.8%-Fix
CVE-2024-47083High7.51.6%--
CVE-2020-25646High7.51.4%--

Common questions

How do I fix CVE-2026-81695?

Upgrade openssl encrypt to 1.4.9 or later.

Is CVE-2026-81695 being actively exploited?

Not that we know of. CVE-2026-81695 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.18% is the estimated probability that it will be exploited in the next 30 days. That is higher than 8% of all scored CVEs.

How severe is CVE-2026-81695?

CVE-2026-81695 has a CVSS v3 base score of 3.3, rated low. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-81695 affect?

Published advisories record a fix for openssl encrypt (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2026-81695 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-01.