Is CVE-2026-41082 in the CISA KEV catalog?

No. CVE-2026-41082 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-41082?

CVE-2026-41082 has a CVSS v3 base score of 7.3 (Important).

What is the EPSS score for CVE-2026-41082?

CVE-2026-41082 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-41082?

Upgrade opam on debian 11 to 2.0.8-1+deb11u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2026-41082

HIGH

7.3

CVSS v3

NVD

Description

In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.

CWE-24

How to fix

Remediation Available

opamDebian

Fixed in:2.0.8-1+deb11u1CVE-2026-41082

Fixed in:2.1.2-1+deb12u1CVE-2026-41082

Fixed in:2.3.0-1+deb13u1CVE-2026-41082

Fixed in:2.5.1-1CVE-2026-41082

opamUbuntu

Fixed in:2.0.5-1ubuntu1+esm1USN-8256-1

Fixed in:2.1.2-1+deb12u1build0.22.04.1USN-8256-1

Fixed in:2.1.5-1ubuntu0.1~esm2USN-8256-1

Fixed in:2.3.0-1+deb13u1build0.25.10.1USN-8256-1

opam-installerUbuntu

Fixed in:2.0.5-1ubuntu1+esm1USN-8256-1

Fixed in:2.1.2-1+deb12u1build0.22.04.1USN-8256-1

Fixed in:2.1.5-1ubuntu0.1~esm2USN-8256-1

Fixed in:2.3.0-1+deb13u1build0.25.10.1USN-8256-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityHigh

AvailabilityLow

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

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

Other references7

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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 2026-06-30.