Common Weakness Enumeration

CWE-203

Allowed

Observable Discrepancy

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

885 vulnerabilities reference this CWE, most recent first.

CVE-2026-23937 (GCVE-0-2026-23937)

Vulnerability from cvelistv5 – Published: 2026-08-18 12:20 – Updated: 2026-08-18 13:34
VLAI
Title
Host PSK extraction in Zabbix API
Summary
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.
Severity
6 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 12:50 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Zabbix Zabbix Affected: 6.0.0 , ≤ 6.0.46 (git)
Affected: 7.0.0 , ≤ 7.0.27 (git)
Affected: 7.4.0 , ≤ 7.4.11 (git)
Create a notification for this product.
Show details on NVD website
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CVE-2026-23931 (GCVE-0-2026-23931)

Vulnerability from cvelistv5 – Published: 2026-08-18 12:17 – Updated: 2026-08-18 13:35
VLAI
Title
Frontend plaintext macro value enumeration via the validatate.api.exists action
Summary
The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 12:51 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Zabbix Zabbix Affected: 7.4.0 , ≤ 7.4.10 (git)
Create a notification for this product.
Credits
Zabbix wants to thank nidomer1 for submitting this report on the HackerOne bug bounty platform.
Show details on NVD website
To clipboard 

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CVE-2026-23621 (GCVE-0-2026-23621)

Vulnerability from cvelistv5 – Published: 2026-02-19 18:01 – Updated: 2026-05-14 02:09
VLAI
Title
GFI MailEssentials AI < 22.4 ListServer.IsPathExist() Absolute Directory Traversal to File Enumeration
Summary
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 authenticated user can supply an unrestricted filesystem path via the JSON key \"path\", which is URL-decoded and passed to Directory.Exists(), allowing the attacker to determine whether arbitrary directories exist on the server.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-20 20:05 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
GFI Software MailEssentials AI Affected: 0 , < 22.4 (custom)
    cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Alex Williams from Pellera Technologies VulnCheck
Show details on NVD website
To clipboard 

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CVE-2026-23620 (GCVE-0-2026-23620)

Vulnerability from cvelistv5 – Published: 2026-02-19 18:00 – Updated: 2026-05-26 11:52
VLAI
Title
GFI MailEssentials AI < 22.4 ListServer.IsDBExist() Absolute Directory Traversal to File Enumeration
Summary
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 user can supply an unrestricted filesystem path via the JSON key \"path\", which is URL-decoded and passed to File.Exists(), allowing the attacker to determine whether arbitrary files exist on the server.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-20 20:17 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
GFI Software MailEssentials AI Affected: 0 , < 22.4 (custom)
    cpe:2.3:a:gfi:mailessentials:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Alex Williams from Pellera Technologies VulnCheck
Show details on NVD website
To clipboard 

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CVE-2026-21484 (GCVE-0-2026-21484)

Vulnerability from cvelistv5 – Published: 2026-01-03 01:21 – Updated: 2026-01-05 20:36
VLAI
Title
AnythingLLM Vulnerable to Username Enumeration w/ Password Recovery
Summary
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 messages depending on whether a username exists, so enabling username enumeration. Commit e287fab56089cf8fcea9ba579a3ecdeca0daa313 fixes this issue.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-05 20:32 UTC
CWE
  • CWE-203 - Observable Discrepancy
  • CWE-204 - Observable Response Discrepancy
Assigner
References
Impacted products
Vendor Product Version
Mintplex-Labs anything-llm Affected: < e287fab56089cf8fcea9ba579a3ecdeca0daa313
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-21386 (GCVE-0-2026-21386)

Vulnerability from cvelistv5 – Published: 2026-03-16 14:51 – Updated: 2026-03-16 18:39
VLAI
Title
Private channel enumeration via /mute slash command
Summary
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 authorized to know about via differing error messages for nonexistent versus private channels. Mattermost Advisory ID: MMSA-2026-00588
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-16 18:39 UTC
CWE
Assigner
References
URL Tags
https://mattermost.com/security-updates vendor-advisory
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 11.3.0 , ≤ 11.3.0 (semver)
Affected: 11.2.0 , ≤ 11.2.2 (semver)
Affected: 10.11.0 , ≤ 10.11.10 (semver)
Unaffected: 11.4.0
Unaffected: 11.3.1
Unaffected: 11.2.3
Unaffected: 10.11.11
Create a notification for this product.
Credits
winfunc
Show details on NVD website
To clipboard 

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CVE-2026-19965 (GCVE-0-2026-19965)

Vulnerability from cvelistv5 – Published: 2026-08-17 00:00 – Updated: 2026-08-19 14:46 X_Open Source
VLAI
Title
automad Password Reset Endpoint UserController.php requestPasswordResetToken response discrepancy
Summary
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. This manipulation of the argument name-or-email causes observable response discrepancy. The attack can be initiated remotely. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.0.0-beta.33 is able to resolve this issue. Patch name: eac0b05dafdb0ddf8b9139dad8929aaba86568ca. You should upgrade the affected component.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 14:46 UTC
CWE
  • CWE-204 - Observable Response Discrepancy
  • CWE-203 - Information Exposure Through Discrepancy
Assigner
References
Impacted products
Vendor Product Version
n/a automad Affected: 2.0.0-beta.0
Affected: 2.0.0-beta.1
Affected: 2.0.0-beta.2
Affected: 2.0.0-beta.3
Affected: 2.0.0-beta.4
Affected: 2.0.0-beta.5
Affected: 2.0.0-beta.6
Affected: 2.0.0-beta.7
Affected: 2.0.0-beta.8
Affected: 2.0.0-beta.9
Affected: 2.0.0-beta.10
Affected: 2.0.0-beta.11
Affected: 2.0.0-beta.12
Affected: 2.0.0-beta.13
Affected: 2.0.0-beta.14
Affected: 2.0.0-beta.15
Affected: 2.0.0-beta.16
Affected: 2.0.0-beta.17
Affected: 2.0.0-beta.18
Affected: 2.0.0-beta.19
Affected: 2.0.0-beta.20
Affected: 2.0.0-beta.21
Affected: 2.0.0-beta.22
Affected: 2.0.0-beta.23
Affected: 2.0.0-beta.24
Affected: 2.0.0-beta.25
Affected: 2.0.0-beta.26
Affected: 2.0.0-beta.27
Affected: 2.0.0-beta.28
Affected: 2.0.0-beta.29
Affected: 2.0.0-beta.30
Affected: 2.0.0-beta.31
Affected: 2.0.0-beta.32
Unaffected: 2.0.0-beta.33
    cpe:2.3:a:automad:automad:*:*:*:*:*:*:*:*
Credits
4m3rr0r (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-11754 (GCVE-0-2026-11754)

Vulnerability from cvelistv5 – Published: 2026-08-27 13:42 – Updated: 2026-08-27 19:38 Unsupported When Assigned
VLAI
Title
User Enumeration in Seres Software's syWEB
Summary
Observable discrepancy vulnerability in Seres Software syWEB allows Account Footprinting. This issue affects syWEB: through 27082026. NOTE: The vendor was contacted and it was learned that the product is not supported.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 19:38 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Seres Software syWEB Affected: 0 , ≤ 27082026 (custom)
Create a notification for this product.
Date Public
2026-08-27 13:40
Show details on NVD website
To clipboard 

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CVE-2026-8242 (GCVE-0-2026-8242)

Vulnerability from cvelistv5 – Published: 2026-05-10 08:15 – Updated: 2026-05-11 17:31
VLAI
Title
Industrial Application Software IAS Canias ERP Login RMI doAction response discrepancy
Summary
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 attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitability is regarded as difficult. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-11 15:58 UTC
CWE
  • CWE-204 - Observable Response Discrepancy
  • CWE-203 - Information Exposure Through Discrepancy
Assigner
References
URL Tags
https://vuldb.com/vuln/362458 vdb-entrytechnical-description
https://vuldb.com/vuln/362458/cti signaturepermissions-required
https://vuldb.com/submit/808295 third-party-advisory
https://hawktrace.com/blog/caniaserp related
https://gist.github.com/0xb1lal/85422a63c10a001c7… broken-linkexploit
Impacted products
Credits
Bilal Güneş (HawkTrace) b1lal (VulDB User) b1lal (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-4045 (GCVE-0-2026-4045)

Vulnerability from cvelistv5 – Published: 2026-03-12 16:02 – Updated: 2026-03-12 16:51
VLAI
Title
projectsend Auth.php response discrepancy
Summary
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 executed remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-12 16:50 UTC
CWE
  • CWE-204 - Observable Response Discrepancy
  • CWE-203 - Information Exposure Through Discrepancy
Assigner
References
URL Tags
https://vuldb.com/?id.350657 vdb-entrytechnical-description
https://vuldb.com/?ctiid.350657 signaturepermissions-required
https://vuldb.com/?submit.769577 third-party-advisory
https://drive.google.com/file/d/1TNwWNTcra2ykx0yX… exploit
Impacted products
Vendor Product Version
n/a projectsend Affected: r1945
    cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:*
Credits
0xNayel (VulDB User) VulDB
Show details on NVD website
To clipboard 

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Mitigation MIT-46
Architecture and Design

Strategy: Separation of Privilege

  • Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
Mitigation MIT-39
Implementation
  • Ensure that error messages only contain minimal details that are useful to the intended audience and no one else. The messages need to strike the balance between being too cryptic (which can confuse users) or being too detailed (which may reveal more than intended). The messages should not reveal the methods that were used to determine the error. Attackers can use detailed information to refine or optimize their original attack, thereby increasing their chances of success.
  • If errors must be captured in some detail, record them in log messages, but consider what could occur if the log messages can be viewed by attackers. Highly sensitive information such as passwords should never be saved to log files.
  • Avoid inconsistent messaging that might accidentally tip off an attacker about internal state, such as whether a user account exists or not.
CAPEC-189: Black Box Reverse Engineering

An adversary discovers the structure, function, and composition of a type of computer software through black box analysis techniques. 'Black Box' methods involve interacting with the software indirectly, in the absence of direct access to the executable object. Such analysis typically involves interacting with the software at the boundaries of where the software interfaces with a larger execution environment, such as input-output vectors, libraries, or APIs. Black Box Reverse Engineering also refers to gathering physical side effects of a hardware device, such as electromagnetic radiation or sounds.

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