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 16 of 16
- CVE-2026-33425MEDIUMCVSS 5.3EG 5.32026-03-21
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, unauthenticated users can determine whether a specific user is a member of a private group by observing changes in directory resu…
- CVE-2026-33429MEDIUMCVSS 5.3EG 5.32026-03-24
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.54 and 9.6.0-alpha.43, an attacker can subscribe to LiveQuery with a watch parameter targeting a protected field.…
- CVE-2026-3579MEDIUMCVSS 5.9EG 5.92026-03-19
wolfSSL 5.8.4 on RISC-V RV32I architectures lacks a constant-time software implementation for 64-bit multiplication. The compiler-inserted __muldi3 subroutine executes in variable time based on operand values. This affects multiple SP math…
- CVE-2026-3580MEDIUMCVSS 4.7EG 4.72026-03-19
In wolfSSL 5.8.4, constant-time masking logic in sp_256_get_entry_256_9 is optimized into conditional branches (bnez) by GCC when targeting RISC-V RV32I with -O3. This transformation breaks the side-channel resistance of ECC scalar multipl…
- CVE-2026-4040MEDIUMCVSS 5.5EG 5.52026-03-12
A vulnerability was identified in OpenClaw up to 2026.2.17. This issue affects the function tools.exec.safeBins of the component File Existence Handler. The manipulation leads to information exposure through discrepancy. The attack needs t…
- CVE-2026-4045LOWCVSS 3.7EG 3.72026-03-12
A flaw has been found in projectsend up to r1945. This impacts an unknown function of the file includes/Classes/Auth.php. Executing a manipulation of the argument ldap_email can lead to observable response discrepancy. The attack can be ex…
- CVE-2026-41588CRITICALCVSS 9.0EG 9.02026-05-08
RELATE is a web-based courseware package. Prior to commit 2f68e16, there is a timing attack vulnerability in course/auth.py — check_sign_in_key(). This issue has been patched via commit 2f68e16.
- CVE-2026-44263MEDIUMCVSS 4.3EG 4.32026-05-07
Weblate is a web based localization tool. Prior to version 5.17.1, the screenshots, tasks, and component link API allowed for the enumeration of translations in a project inaccessible to the user. This issue has been patched in version 5.1…
- CVE-2026-44332MEDIUMCVSS 5.3EG 5.32026-07-02
Fiber is an Express inspired web framework written in Go. Prior to 3.3.0, the default Authorizer function in the BasicAuth middleware in middleware/basicauth/config.go uses short-circuit evaluation that skips password hash comparison for n…
- CVE-2026-45294MEDIUMCVSS 5.3EG 5.32026-05-29
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.219, the password reset endpoint returns visually distinct responses depending on whether the submitted email address belongs to an existing us…
- CVE-2026-45410MEDIUMCVSS 5.3EG 5.32026-05-28
TREK is a collaborative travel planner. Prior to 3.0.18, early return on missing user during login flow allowed an attacker to enumerate valid user accounts via response timing discrepancy. When an email address existed in the database, th…
- CVE-2026-47011LOWCVSS 2.6EG 2.62026-07-21
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Application Interface). Supported versions that are affected are 17.0-26.4. Difficult to exploit vulnerability allows low privileged attacker with network…
- CVE-2026-47379MEDIUMCVSS 6.9EG 6.92026-06-05
NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, the shared-view password check fell back to strict-equality (===) comparison for legacy plaintext passwords, leaking the password's length and per-character pre…
- CVE-2026-51926HIGHCVSS 7.5EG 7.52026-07-09
An issue in docuForm GmbH FSM Client v.11.11c allows a remote attacker to obtain sensitive information via the login.php component. A vulnerability was identified in the authentication mechanism that allows user enumeration through the log…
- CVE-2026-55555HIGHCVSS 7.5EG 7.52026-07-22
Dompdf is an HTML to PDF converter for PHP. Versions 3.15 and prior are vulnerable to a File Existence Oracle attack through the manipulation of the CSS @font-face directive. By providing malicious HTML that references local files via the …
- CVE-2026-56296MEDIUMCVSS 5.3EG 5.32026-07-11
Cap-go before 12.128.2 contains an information disclosure vulnerability in the public.transfer_app RPC function that returns distinct error messages for existing versus non-existing app IDs. Unauthenticated attackers can enumerate valid ap…
- CVE-2026-56316MEDIUMCVSS 5.3EG 5.32026-06-21
Cap-go before 12.128.2 contains an information disclosure vulnerability in the OPTIONS /build/upload/:jobId/* endpoint that allows unauthenticated attackers to enumerate valid builder job IDs through observable response discrepancies. Atta…
- CVE-2026-56319MEDIUMCVSS 4.3EG 4.32026-06-20
Capgo before 12.128.2 contains an information disclosure vulnerability in the GET /statistics/app/:app_id endpoint that allows app-limited API keys to distinguish existing sibling app IDs through differential error responses. Attackers can…
- CVE-2026-56327MEDIUMCVSS 5.3EG 5.32026-07-01
Capgo before 12.128.2 contains an information disclosure vulnerability in the public.invite_user_to_org RPC function that allows unauthenticated attackers to enumerate organization existence by observing distinct error responses. Attackers…
- CVE-2026-56339HIGHCVSS 7.5EG 7.52026-07-15
Capgo (Cap-go/capgo) before 12.128.2 contains an information disclosure vulnerability in the Supabase PostgREST SECURITY DEFINER RPC function public.rescind_invitation that allows unauthenticated attackers to enumerate organization existen…
- CVE-2026-58445LOWCVSS 2.7EG 2.72026-07-21
Cross-repository label-ID enumeration oracle via unscoped DeleteIssueLabel API
- CVE-2026-58503MEDIUMCVSS 6.9EG 6.92026-07-10
Frappe is a full-stack web application framework. Prior to 16.16.0 and 15.106.0, user enumeration could be performed via the reset_password endpoint. This issue is fixed in versions 16.16.0 and 15.106.0.
- CVE-2026-59502MEDIUMCVSS 5.3EG 5.32026-08-13
: Observable Discrepancy vulnerability in Priority Portal Generator addon to Priority ERP (developed by Soft Solutions). This issue affects Portal Generator addon to Priority ERP (developed by Soft Solutions): All versions without Priwall…
- CVE-2026-59640HIGHCVSS 8.7EG 8.72026-08-03
In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.1…
- CVE-2026-64713HIGHCVSS 8.1EG 8.12026-07-27
This issue was addressed with improved checks. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Websites may know if the user has visited a given link.
- CVE-2026-64822MEDIUMCVSS 5.3EG 5.32026-07-21
djangoSIGE through 1.10 (commit a6fe7e8) contains a user enumeration vulnerability in ForgotPasswordView within djangosige/apps/login/views.py that allows unauthenticated attackers to identify valid accounts by observing distinct error mes…
- CVE-2026-65314MEDIUMCVSS 4.3EG 4.32026-07-21
Electric Postgres Sync versions below 1.6.10 contains an information disclosure vulnerability that allows attackers to infer the values of excluded columns by crafting subset where clause conditions against shape responses. Attackers can o…
- CVE-2026-67193MEDIUMCVSS 5.3EG 5.32026-07-29
Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the server's current GetTickCount() value by sending a USER command with a username ending in the :adm suffix. …
- CVE-2026-72632HIGHCVSS 7.1EG 7.12026-08-13
Observable Discrepancy (CWE-203) in Kibana Fleet can lead to information disclosure via Excavation (CAPEC-116). Fleet removes the Elasticsearch API key value of an enrolled Elastic Agent from the responses of its agent listing capability, …
- CVE-2026-72699MEDIUMCVSS 5.3EG 5.32026-08-25
The Grav Login plugin (getgrav/grav-plugin-login) before 3.9.1 is vulnerable to email address enumeration. The register() method in classes/Login.php throws a distinct exception (EMAIL_NOT_AVAILABLE) when a submitted email address already …
- CVE-2026-73409MEDIUMCVSS 5.1EG 5.12026-07-24
Budibase is an open-source low-code platform. Prior to 3.40.1, packages/server/src/integrations/mongodb.ts passed builder-controlled tlsCertificateKeyFile and tlsCAFile values directly to MongoClient on Budibase Cloud. A builder could subm…
- CVE-2026-73630MEDIUMCVSS 5.8EG 5.82026-08-14
SiYuan before v3.7.4 contains an information disclosure vulnerability in the /api/filetree/authFilePublishAccess endpoint, which is registered with CheckAuth only and is reachable anonymously. The endpoint never sets a failure code, so its…
- CVE-2026-74954HIGHCVSS 7.5EG 7.52026-08-18
Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
- CVE-2026-74961CRITICALCVSS 9.1EG 9.12026-08-18
Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
- CVE-2026-78936MEDIUMEG 6.52026-08-25
Observable discrepancy in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-installed app. (Chromium security severity: Medium)
- CVE-2026-78949MEDIUMEG 6.52026-08-25
Observable discrepancy in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-installed app. (Chromium security severity: Medium)
- CVE-2026-78955MEDIUMEG 6.52026-08-25
Observable discrepancy in PerformanceAPIs in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-79016MEDIUMEG 6.52026-08-25
Observable discrepancy in SVG in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-79028MEDIUMEG 6.52026-08-25
Observable discrepancy in Network in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-79030MEDIUMEG 6.52026-08-25
Observable discrepancy in Autofill in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-79181MEDIUMEG 5.42026-08-25
Observable discrepancy in Glic in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-79242MEDIUMEG 6.52026-08-25
Observable discrepancy in HTML in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-79287MEDIUMEG 6.52026-08-25
Observable discrepancy in Forms in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-8242LOWCVSS 3.7EG 3.72026-05-10
A vulnerability was found in Industrial Application Software IAS Canias ERP 8.03. The impacted element is the function doAction of the component Login RMI Interface. Performing a manipulation results in observable response discrepancy. The…
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 →