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PentestGPT CVE-2026-76993

| EUVDEUVD-2026-63377 LOW
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2026-08-20 VulDB GHSA-c7h4-fvq7-3fpm
1.3
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
1.3 LOW
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
vuln.today AI
5.0 MEDIUM

Network vector with high complexity and required user interaction (crawl initiation); unchanged scope and low impact on all three pillars consistent with CVSS 4.0 VC:L/VI:L/VA:L/SC:N.

3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
4.0 AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

3
CVSS changed
Aug 20, 2026 - 15:22 NVD
2.3 (LOW) 1.3 (LOW)
Analysis Generated
Aug 20, 2026 - 15:06 vuln.today
CVE Published
Aug 20, 2026 - 14:30 cve.org
LOW 2.3

DescriptionCVE.org

A vulnerability was determined in GreyDGL PentestGPT up to 1.0.0. This vulnerability affects unknown code of the component Web-Page Crawling. Executing a manipulation of the argument Traceback can lead to injection. The attack can be executed remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit has been publicly disclosed and may be utilized. The reported GitHub issue was closed with the label "not planned".

AnalysisAI

Injection in PentestGPT's Web-Page Crawling component (versions up to 1.0.0) allows remote attackers to manipulate the Traceback argument during crawling operations, producing limited confidentiality, integrity, and availability impact against the vulnerable instance. The CVSS 4.0 score of 2.3 reflects a genuinely low-severity finding - high attack complexity and required passive user interaction constrain real-world exploitation to difficult, targeted scenarios. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Host malicious webpage with crafted Traceback payload
Delivery
Induce PentestGPT user to crawl attacker URL
Exploit
Manipulate Traceback argument in crawling pipeline
Execution
Trigger CWE-74 injection into downstream processor
Impact
Achieve limited data disclosure or output manipulation

Vulnerability AssessmentAI

Exploitation Exploitation requires that a PentestGPT user actively invoke the Web-Page Crawling feature against an attacker-controlled URL or webpage - this is the passive user interaction captured by UI:P in the CVSS 4.0 vector. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The composite risk picture is low. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a malicious webpage that crafts a Traceback argument value containing injection payloads targeting PentestGPT's crawling pipeline. A PentestGPT user who directs the tool to crawl that attacker-controlled URL triggers the vulnerable code path, causing the injected content to be processed downstream with limited data disclosure or manipulation as a result. …
Remediation No vendor-released patch has been identified at time of analysis - the GitHub issue was closed as 'not planned', meaning upstream does not intend to ship a fix. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-76993 vulnerability details – vuln.today

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