CWE-203— Observable Discrepancy (Information Exposure via Side Channel)
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.— MITRE CWE catalog
794 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-203page 15 of 16
- CVE-2025-41252HIGHCVSS 7.5EG 7.52025-09-29
Description: VMware NSX contains a username enumeration vulnerability. An unauthenticated malicious actor may exploit this to enumerate valid usernames, potentially leading to unauthorized access attempts. Impact: Username enumeration ��…
- CVE-2025-43739MEDIUMCVSS 4.3EG 4.32025-08-19
Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.6, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.16 and 7.4 GA through update 92 allow a…
- CVE-2025-43743MEDIUMCVSS 4.3EG 4.32025-08-19
Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.5, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.15 and 7.4 GA through update 92 allows …
- CVE-2025-43751MEDIUMCVSS 5.3EG 5.32025-08-22
User enumeration vulnerability in Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2024.Q4.0 through 2024.Q4.7, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.14, 2023.Q4.0 through 2023.Q4.10, …
- CVE-2025-43786MEDIUMCVSS 5.3EG 5.32025-09-09
Enumeration of ERC from object entry in Liferay Portal 7.4.0 through 7.4.3.128, and Liferay DXP 2024.Q3.0 through 2024.Q3.1, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.12, 2023.Q4.0 and 7.4 GA through update 92 allow attackers…
- CVE-2025-46570LOWCVSS 2.6EG 2.62025-05-29
vLLM is an inference and serving engine for large language models (LLMs). Prior to version 0.9.0, when a new prompt is processed, if the PageAttention mechanism finds a matching prefix chunk, the prefill process speeds up, which is reflect…
- CVE-2025-46720LOWCVSS 3.1EG 3.12025-05-05
Keystone is a content management system for Node.js. Prior to version 6.5.0, `{field}.isFilterable` access control can be bypassed in `update` and `delete` mutations by adding additional unique filters. These filters can be used as an orac…
- CVE-2025-46804LOWCVSS 3.3EG 3.32025-05-26
A minor information leak when running Screen with setuid-root privileges allows unprivileged users to deduce information about a path that would otherwise not be available. Affected are older Screen versions, as well as version 5.0.0.
- CVE-2025-47872MEDIUMCVSS 5.8EG 5.82025-08-08
The public-facing product registration endpoint server responds differently depending on whether the S/N is valid and unregistered, valid but already registered, or does not exist in the database. Combined with the fact that serial numb…
- CVE-2025-48561MEDIUMCVSS 5.5EG 5.52025-09-04
In multiple locations, there is a possible way to access data displayed on the screen due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interact…
- CVE-2025-52576MEDIUMCVSS 5.3EG 5.32025-06-25
Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.46, Kanboard is vulnerable to username enumeration and IP spoofing-based brute-force protection bypass. By analyzing login behavior and ab…
- CVE-2025-54477MEDIUMCVSS 5.3EG 5.32025-09-30
Improper handling of authentication requests lead to a user enumeration vector in the passkey authentication method.
- CVE-2025-54999LOWCVSS 3.7EG 3.72025-08-09
OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. In versions 0.1.0 through 2.3.1, when using OpenBao's userpass auth method, user enumeration was possi…
- CVE-2025-56423MEDIUMCVSS 5.3EG 5.32025-11-24
An issue in Austrian Academy of Sciences (AW) Austrian Archaeological Institute OpenAtlas v.8.12.0 allows a remote attacker to obtain sensitive information via the login error messages
- CVE-2025-57770MEDIUMCVSS 5.3EG 5.32025-08-22
The open-source identity infrastructure software Zitadel allows administrators to disable the user self-registration. Versions 4.0.0 to 4.0.2, 3.0.0 to 3.3.6, and all versions prior to 2.71.15 are vulnerable to a username enumeration issue…
- CVE-2025-59702HIGHCVSS 7.2EG 7.22025-12-02
Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7 (patched in 13.6.12 (LTS) and 13.9.0 (STS)), allow a physically proximate attacker with elevated privileges to falsify tamper events by accessing internal co…
- CVE-2025-59716MEDIUMCVSS 5.3EG 5.32025-11-05
ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint. Because of insufficient validation of the supplied token in showPasswordForm, the server responds differently whe…
- CVE-2025-6011LOWCVSS 3.7EG 3.72025-08-01
A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth me…
- CVE-2025-6056MEDIUMCVSS 6.9EG 6.92025-07-04
Timing difference in password reset in Ergon Informatik AG's Airlock IAM 7.7.9, 8.0.8, 8.1.7, 8.2.4 and 8.3.1 allows unauthenticated attackers to enumerate usernames.
- CVE-2025-63094HIGHCVSS 7.5EG 7.52025-12-10
XiangShan Nanhu V2 and XiangShan Kunmighu V3 were discovered to use speculative execution and indirect branch prediction, allowing attackers to access sensitive information via side-channel analysis of the data cache.
- CVE-2025-6386HIGHCVSS 7.5EG 7.52025-07-07
The parisneo/lollms repository is affected by a timing attack vulnerability in the `authenticate_user` function within the `lollms_authentication.py` file. This vulnerability allows attackers to enumerate valid usernames and guess password…
- CVE-2025-64749MEDIUMCVSS 4.3EG 4.32025-11-13
Directus is a real-time API and App dashboard for managing SQL database content. An observable difference in error messaging was found in the Directus REST API in versions of Directus prior to version 11.13.0. The `/items/{collection}` API…
- CVE-2025-65185LOWCVSS 2.8EG 2.82025-12-17
There is a username enumeration via local user login in Entrinsik Informer v5.10.1 which allows malicious users to enumerate users by entering an OTP code and new password then reviewing application responses.
- CVE-2025-67806LOWCVSS 3.7EG 3.72026-04-01
The login mechanism of Sage DPW 2021_06_004 displays distinct responses for valid and invalid usernames, allowing enumeration of existing accounts in versions before 2021_06_000. On-premise administrators can toggle this behavior in newer …
- CVE-2025-68164LOWCVSS 2.7EG 2.72025-12-16
In JetBrains TeamCity before 2025.11 port enumeration was possible via the Perforce connection test
- CVE-2025-8774MEDIUMCVSS 4.7EG 4.72025-08-09
A vulnerability has been found in riscv-boom SonicBOOM up to 2.2.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component L1 Data Cache Handler. The manipulation leads to observable timin…
- CVE-2025-9031MEDIUMCVSS 4.3EG 4.32025-09-24
Observable Timing Discrepancy vulnerability in DivvyDrive Information Technologies Inc. DivvyDrive Web allows Cross-Domain Search Timing. This issue affects DivvyDrive Web: from 4.8.2.2 before 4.8.2.15.
- CVE-2025-9109LOWCVSS 3.7EG 3.72025-08-18
A security flaw has been discovered in Portabilis i-Diario up to 1.5.0. Affected by this vulnerability is an unknown functionality of the file /password/email of the component Password Recovery Endpoint. The manipulation results in observa…
- CVE-2026-11284MEDIUMCVSS 6.5EG 6.52026-06-04
Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-11289MEDIUMCVSS 6.5EG 6.52026-06-04
Side-channel information leakage in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-13922MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in Paint in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-14071MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in WebAudio in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-14074MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-14085MEDIUMCVSS 6.5EG 6.52026-06-30
Side-channel information leakage in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-14112MEDIUMCVSS 5.3EG 5.32026-07-01
Inappropriate implementation in Enterprise in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to obtain potentially sensitive information from process memory via a craft…
- CVE-2026-19965LOWCVSS 3.7EG 3.72026-08-17
A vulnerability was determined in automad up to 2.0.0-beta.32. This vulnerability affects the function requestPasswordResetToken of the file automad/src/server/Controllers/API/UserController.php of the component Password Reset Endpoint. Th…
- CVE-2026-21386MEDIUMCVSS 4.3EG 4.32026-03-16
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to use consistent error responses when handling the /mute command which allows an authenticated team member to enumerate private channels they are not authori…
- CVE-2026-21484MEDIUMCVSS 5.3EG 5.32026-01-03
AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to commit e287fab56089cf8fcea9ba579a3ecdeca0daa313, the password recovery endpoint returns different error me…
- CVE-2026-23519CRITICALCVSS 9.8EG 9.82026-01-15
RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be rewritten as branches by the compiler. Prior to 0.4.4, the thumbv6m-none-eabi (Cortex M0, M0+ and M1) c…
- CVE-2026-23620MEDIUMCVSS 4.3EG 4.32026-02-19
GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in the ListServer.IsDBExist() web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsDBExist. An authenticated …
- CVE-2026-23621MEDIUMCVSS 4.3EG 4.32026-02-19
GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist() web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authe…
- CVE-2026-23849MEDIUMCVSS 5.3EG 5.32026-01-19
File Browser provides a file managing interface within a specified directory and can be used to upload, delete, preview, rename, and edit files. Prior to version 2.55.0, the JSONAuth. Auth function contains a logic flaw that allows unauthe…
- CVE-2026-23931MEDIUMCVSS 5.3EG 5.32026-08-18
The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.
- CVE-2026-23937MEDIUMCVSS 6.0EG 6.02026-08-18
The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity.
- CVE-2026-25509MEDIUMCVSS 5.3EG 5.32026-02-03
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.28.5.0, the authentication implementation in CI4MS is vulnerable to email enum…
- CVE-2026-25562MEDIUMCVSS 4.3EG 4.32026-02-07
WeKan versions prior to 8.19 contain an information disclosure vulnerability in the attachments publication. Attachment metadata can be returned without properly scoping results to boards and cards accessible to the requesting user, potent…
- CVE-2026-26185MEDIUMCVSS 5.3EG 5.32026-02-12
Directus is a real-time API and App dashboard for managing SQL database content. Before 11.14.1, a timing-based user enumeration vulnerability exists in the password reset functionality. When an invalid reset_url parameter is provided, the…
- CVE-2026-26315HIGHCVSS 7.5EG 7.52026-02-19
go-ethereum (Geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, through a flaw in the ECIES cryptography implementation, an attacker may be able to extract bits of the p2p node key. The issu…
- CVE-2026-26895MEDIUMCVSS 5.3EG 5.32026-04-02
User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.
- CVE-2026-28490MEDIUMCVSS 6.5EG 6.52026-03-16
Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encr…
Map vulnerabilities like CWE-203 to your infrastructure
EchelonGraph correlates every CVE — across CWE-203 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Start Free Scan →