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Vulnerability Assessment

Weakness
CWE
CWE-601
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Redirect URL validation
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 7.4 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.67%.
Exploit ScenarioDerived

A remote attacker could redirect users to malicious websites via URL manipulation by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.7% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A flaw was found in Yelp. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate redirect destinations against an allowlist, avoid using user input in redirect URLs.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

This vulnerability is classified as Open Redirect (CWE-601), which allows attackers to redirect users to malicious websites via URL manipulation. A flaw was found in Yelp. The Gnome user help application allows the help document to execute arbitrary scripts. This vulnerability allows malicious users to input help documents, which may exfiltrate user files to an external environment. Affected products include: Gnome Yelp, Debian Debian Linux, Redhat Codeready Linux Builder, Redhat Codeready Linux Builder For Arm64, Redhat Codeready Linux Builder For Arm64 Eus.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (redhat) PRIMARY 7.4 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
SUSE HIGH
Red Hat 7.4 HIGH

Primary rating from Vendor (redhat).

CVSS VectorVendor: redhat

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch released
Apr 05, 2026 - 20:30 nvd
Patch available
PoC Detected
Aug 12, 2025 - 21:15 vuln.today
Public exploit code
CVE Published
Apr 03, 2025 - 14:15 nvd
HIGH 7.4

DescriptionCVE.org

A flaw was found in Yelp. The Gnome user help application allows the help document to execute arbitrary scripts. This vulnerability allows malicious users to input help documents, which may exfiltrate user files to an external environment.

Executive ViewAI

Why It Matters

Organizations using A flaw face moderate risk from CVE-2025-3155 rated CVSS 7.4. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score
0.7%
Top 29% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium
NVD CVE.org EPSS Vendor GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.7%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +37
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Affected Products (CPE)CVE.org

cpe:2.3:a:gnome:yelp:42.2-8:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder:9.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:8.0_aarch64:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:9.0_aarch64:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:8.8_aarch64:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.2_aarch64:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.4_aarch64:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:9.6_aarch64:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_eus:8.8:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_eus:9.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_eus:9.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:8.0_s390x:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:9.0_s390x:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:8.8_s390x:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:9.2_s390x:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:9.4_s390x:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:9.6_s390x:*:*:*:*:*:*:*
cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*
+ 43 more

More in Yelp

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CVE-2018-10406 HIGH POC
7.8 Jun 13

An issue was discovered in Yelp OSXCollector. Rated high severity (CVSS 7.8), this vulnerability is no authentication re
CVE-2026-13601 MEDIUM
6.5 Jun 29

Sandbox-escaping information disclosure in Yelp (the GNOME help viewer) lets a malicious Flatpak application read arbitr

Same weakness CWE-601 – URL Redirection to Untrusted Site (Open Redirect)

View all
CVE-2017-1000117 HIGH POC
8.8
CVE-2016-5385 HIGH POC
8.1
CVE-2018-11784 MEDIUM POC
4.3
CVE-2017-3528 MEDIUM POC
5.4
CVE-2012-0518 MEDIUM
4.7
CVE-2024-21641 MEDIUM POC
6.5
CVE-2015-5354 MEDIUM POC
5.8
CVE-2024-22891 CRITICAL POC
9.8

Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Liberty Linux 8 Fixed
SUSE Liberty Linux 9 Fixed
SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise High Performance Computing 15 SP6 SUSE Linux Enterprise Module for Desktop Applications 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6 Fixed
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Desktop Applications 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 Fixed
SUSE Linux Enterprise Server 12 SP5-LTSS Fixed

References

Advisories & patches
ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:01904/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:02153/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:02168/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:02169/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:02170/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:15167/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:2169/ REF http://www.openwall.com/lists/oss-security/2025/04/04/1 REF https://access.redhat.com/errata/RHSA-2025:4450 REF https://access.redhat.com/errata/RHSA-2025:4451 REF https://access.redhat.com/errata/RHSA-2025:4455 REF https://access.redhat.com/errata/RHSA-2025:4456 REF https://access.redhat.com/errata/RHSA-2025:4457 REF https://access.redhat.com/errata/RHSA-2025:4505 REF https://access.redhat.com/errata/RHSA-2025:4532 REF https://access.redhat.com/errata/RHSA-2025:7430 REF https://access.redhat.com/errata/RHSA-2025:7569 REF https://access.redhat.com/security/cve/CVE-2025-3155 REF https://gitlab.gnome.org/GNOME/yelp/-/issues/221 REF https://lists.debian.org/debian-lts-announce/2025/05/msg00036.html REF https://lists.debian.org/debian-lts-announce/2025/05/msg00037.html

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