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CVE-2023-22726

27
FAUCET Score

CVE-2023-22726 is a path traversal vulnerability affecting the 'act' project, which allows local execution of GitHub Actions. The artifact server in 'act' fails to sanitize path inputs, enabling an attacker to download and overwrite arbitrary files on the host system from a GitHub Action, potentially leading to privilege escalation. With a CVSS score of 8.8 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, resulting in high impacts to confidentiality, integrity, and availability. While a fix is available in version 0.2.40, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.2.40CPE matchmatch criteria
cpe:2.3:a:act_project:act:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.26%
Probability of exploitation in next 30 days
EPSS Percentile
66.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0126 is in the 63rd percentile among its peer group of 17,829 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/nektos/actFixed in: 0.2.40

Vendor Advisories (1)

goGHSA-pc99-qmg4-rcffhigh

act vulnerable to arbitrary file upload in artifact server

Jan 20, 2023

References

github.com / nektos/act/blob/master/pkg/artifacts/server.go
Third Party Advisory
github.com / nektos/act/blob/v0.2.35/pkg/artifacts/server.go
Third Party Advisory
github.com / nektos/act/blob/v0.2.35/pkg/artifacts/server.go
Third Party Advisory
github.com / nektos/act/commit/63ae215071f94569d910964bdee866d91d6e3a10
PatchThird Party Advisory
github.com / nektos/act/issues/1553
Issue TrackingThird Party Advisory
github.com / nektos/act/security/advisories/GHSA-pc99-qmg4-rcff
ExploitThird Party Advisory
securitylab.github.com / advisories/GHSL-2023-004_act
ExploitThird Party Advisory