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Vulnerability Details :

CVE-2026-35651

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-10 Apr, 2026 | 16:03
Updated At-14 Apr, 2026 | 14:29
Rejected At-
Credits

OpenClaw 2026.2.13 < 2026.3.25 - ANSI Escape Sequence Injection in Approval Prompt

OpenClaw versions 2026.2.13 through 2026.3.24 contain an ANSI escape sequence injection vulnerability in approval prompts that allows attackers to spoof terminal output. Untrusted tool metadata can carry ANSI control sequences into approval prompts and permission logs, enabling attackers to manipulate displayed information through malicious tool titles.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:10 Apr, 2026 | 16:03
Updated At:14 Apr, 2026 | 14:29
Rejected At:
▼CVE Numbering Authority (CNA)
OpenClaw 2026.2.13 < 2026.3.25 - ANSI Escape Sequence Injection in Approval Prompt

OpenClaw versions 2026.2.13 through 2026.3.24 contain an ANSI escape sequence injection vulnerability in approval prompts that allows attackers to spoof terminal output. Untrusted tool metadata can carry ANSI control sequences into approval prompts and permission logs, enabling attackers to manipulate displayed information through malicious tool titles.

Affected Products
Vendor
OpenClawOpenClaw
Product
OpenClaw
Default Status
unaffected
Versions
Affected
  • From 2026.2.13 through 2026.3.24 (semver)
Unaffected
  • 2026.3.25 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-150CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences
Type: CWE
CWE ID: CWE-150
Description: CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Nathan (@nexrin)
finder
KeenSecurityLab
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/openclaw/openclaw/security/advisories/GHSA-4hmj-39m8-jwc7
third-party-advisory
https://github.com/openclaw/openclaw/commit/464e2c10a5edceb380d815adb6ff56e1a4c50f60
patch
https://www.vulncheck.com/advisories/openclaw-ansi-escape-sequence-injection-in-approval-prompt
third-party-advisory
Hyperlink: https://github.com/openclaw/openclaw/security/advisories/GHSA-4hmj-39m8-jwc7
Resource:
third-party-advisory
Hyperlink: https://github.com/openclaw/openclaw/commit/464e2c10a5edceb380d815adb6ff56e1a4c50f60
Resource:
patch
Hyperlink: https://www.vulncheck.com/advisories/openclaw-ansi-escape-sequence-injection-in-approval-prompt
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:10 Apr, 2026 | 17:17
Updated At:13 Apr, 2026 | 21:05

OpenClaw versions 2026.2.13 through 2026.3.24 contain an ANSI escape sequence injection vulnerability in approval prompts that allows attackers to spoof terminal output. Untrusted tool metadata can carry ANSI control sequences into approval prompts and permission logs, enabling attackers to manipulate displayed information through malicious tool titles.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CPE Matches
OpenClaw
openclaw
>>openclaw>>Versions from 2026.2.13(inclusive) to 2026.3.25(exclusive)
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Weaknesses
CWE IDTypeSource
CWE-150Primarydisclosure@vulncheck.com
CWE ID: CWE-150
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/openclaw/openclaw/commit/464e2c10a5edceb380d815adb6ff56e1a4c50f60disclosure@vulncheck.com
Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-4hmj-39m8-jwc7disclosure@vulncheck.com
Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-ansi-escape-sequence-injection-in-approval-promptdisclosure@vulncheck.com
Third Party Advisory
Hyperlink: https://github.com/openclaw/openclaw/commit/464e2c10a5edceb380d815adb6ff56e1a4c50f60
Source: disclosure@vulncheck.com
Resource:
Patch
Hyperlink: https://github.com/openclaw/openclaw/security/advisories/GHSA-4hmj-39m8-jwc7
Source: disclosure@vulncheck.com
Resource:
Vendor Advisory
Hyperlink: https://www.vulncheck.com/advisories/openclaw-ansi-escape-sequence-injection-in-approval-prompt
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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