VDB-435975 · CVE-2026-126784 · GCVE-0-2026-126784

XauenDevs Lagarto Chivato up to 0.4.1/0.4.3 publicar_aviso allocation of resources

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$0-$5k	0.00+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in XauenDevs Lagarto Chivato up to 0.4.1/0.4.3. Affected by this issue is the function publicar_aviso. Performing a manipulation results in allocation of resources. This vulnerability is known as CVE-2026-126784. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in XauenDevs Lagarto Chivato up to 0.4.1/0.4.3. It has been classified as problematic. This affects the function publicar_aviso. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. This is going to have an impact on availability. The summary by CVE is:

Missing rate limiting, per-account submission quota and geographic validation in the publicar_aviso RPC function in Lagarto Chivato 0.4.1 and earlier on Web allows remote authenticated attackers to flood the moderation queue via unlimited submission of notices with arbitrary coordinates.

It is possible to read the advisory at grayback.es. This vulnerability is uniquely identified as CVE-2026-126784 since 11/11/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 0.4.4 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

XauenDevs

Name

Lagarto Chivato

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (Grayback): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Lagarto Chivato 0.4.4

Timelineinfo

11/11/2026 Advisory disclosed
11/11/2026 +0 days CVE reserved
11/11/2026 +0 days VulDB entry created
11/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: grayback.es
Status: Confirmed

CNA: Grayback
CVE: CVE-2026-126784 (🔒)

GCVE (CVE): GCVE-0-2026-126784
GCVE (VulDB): GCVE-100-435975

Entryinfo

Created: 11/11/2026 20:52
Changes: 11/11/2026 20:52 (63)
Complete: 🔍
Cache ID: 216::103