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CVE-2022-41920

27
FAUCET Score

CVE-2022-41920 is a ZipSlip vulnerability affecting the lancet Go library, specifically when using its fileutil package to unzip files. This critical flaw, with a CVSS score of 8.8 (HIGH), allows an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability through a low-complexity attack requiring user interaction. While there are no known active exploits, public exploit code, or significant community discussion, users are strongly advised to upgrade to lancet versions 2.1.10 or 1.3.4 to mitigate this risk, as no workarounds exist.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.4CPE matchmatch criteria
cpe:2.3:a:lancet_project:lancet:*:*:*:*:*:go:*:*
>= 2.0.0, < 2.1.10CPE matchmatch criteria
cpe:2.3:a:lancet_project:lancet:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 54th percentile among its peer group of 14,852 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/duke-git/lancet/v2Fixed in: 2.1.10
gopatch availablevia ghsa
Product: github.com/duke-git/lancetFixed in: 1.3.4

Vendor Advisories (1)

goGHSA-pp3f-xrw5-q5j4high

Lancet vulnerable to path traversal when unzipping files

Nov 21, 2022

References

github.com / duke-git/lancet/commit/f133b32faa05eb93e66175d01827afa4b7094572
PatchThird Party Advisory
github.com / duke-git/lancet/commit/f869a0a67098e92d24ddd913e188b32404fa72c9
PatchThird Party Advisory
github.com / duke-git/lancet/issues/62
Issue TrackingThird Party Advisory
github.com / duke-git/lancet/security/advisories/GHSA-pp3f-xrw5-q5j4
ExploitThird Party Advisory