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CVE-2022-2251

HIGH
8
CVSS Score
Published: January 17, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 04:41 AM UTC
2 products affected across 1 vendorRunnerGitLab Runner

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Severity
HIGH8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Improper sanitization of branch names in GitLab Runner affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows a user who creates a branch with a specially crafted name and gets another user to trigger a pipeline to execute commands in the runner as that other user.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runner· GitLabgitlab
95%
v < 15.3.515.4.0 ≤ v < 15.4.415.5.0 ≤ v < 15.5.2
Affected range stops below 15.3.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.4.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.5.2, so it looks safe — our inference, not a vendor statement
GitLab Runner· GitLabgitlab
60%
v < 15.3.5v < 15.4.4v < 15.5.2
Affected range stops below 15.3.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.4.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.5.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Vendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2251.json
ExploitIssue TrackingVendor Advisory
Source: [email protected]
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27386
Permissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1063511

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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