Common Weakness Enumeration
CWE-384
AllowedSession Fixation
Abstraction: Compound · Status: Incomplete
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
560 vulnerabilities reference this CWE, most recent first.
CVE-2026-30224 (GCVE-0-2026-30224)
Vulnerability from cvelistv5 – Published: 2026-03-06 21:01 – Updated: 2026-03-09 20:54
VLAI
EPSS
VEX
Title
OliveTin: Session Fixation - Logout Fails to Invalidate Server-Side Session
Summary
OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, OliveTin does not revoke server-side sessions when a user logs out. Although the browser cookie is cleared, the corresponding session remains valid in server storage until expiry (default ≈ 1 year). An attacker with a previously stolen or captured session cookie can continue authenticating after logout, resulting in a post-logout authentication bypass. This is a session management flaw that violates expected logout semantics. This issue has been patched in version 3000.11.1.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-09 20:49 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/OliveTin/OliveTin/security/adv… | x_refsource_CONFIRM |
| https://github.com/OliveTin/OliveTin/commit/d6a0a… | x_refsource_MISC |
| https://github.com/OliveTin/OliveTin/releases/tag… | x_refsource_MISC |
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CVE-2026-25101 (GCVE-0-2026-25101)
Vulnerability from cvelistv5 – Published: 2026-03-27 11:55 – Updated: 2026-03-27 12:44 X_Open Source
VLAI
EPSS
VEX
Title
Session Fixation in Bludit
Summary
Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID
for a victim and later hijack the authenticated session.
This issue was fixed in version 3.17.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-27 12:43 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://cert.pl/posts/2026/03/CVE-2026-25099 | third-party-advisory |
| https://github.com/bludit/bludit/releases/tag/3.17.2 | release-notes |
Date Public
2026-03-26 10:55
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CVE-2026-24894 (GCVE-0-2026-24894)
Vulnerability from cvelistv5 – Published: 2026-02-12 19:12 – Updated: 2026-02-12 20:04
VLAI
EPSS
VEX
Title
FrankenPHP leaks session data between requests in worker mode
Summary
FrankenPHP is a modern application server for PHP. Prior to 1.11.2, when running FrankenPHP in worker mode, the $_SESSION superglobal is not correctly reset between requests. This allows a subsequent request processed by the same worker to access the $_SESSION data of the previous request (potentially belonging to a different user) before session_start() is called. This vulnerability is fixed in 1.11.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-12 20:04 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/php/frankenphp/security/adviso… | x_refsource_CONFIRM |
| https://github.com/php/frankenphp/commit/24d6c991… | x_refsource_MISC |
| https://github.com/php/frankenphp/releases/tag/v1.11.2 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| php | frankenphp |
Affected:
< 1.11.2
|
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CVE-2026-24352 (GCVE-0-2026-24352)
Vulnerability from cvelistv5 – Published: 2026-02-27 11:35 – Updated: 2026-02-27 15:05
VLAI
EPSS
VEX
Title
Session Fixation in PluXml CMS
Summary
PluXml CMS allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-27 14:55 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://pluxml.org/ | product |
| https://cert.pl/posts/2026/03/CVE-2026-24350 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PluXml | PluXml CMS |
Affected:
5.9.0-rc7
(custom)
Affected: 5.8.21 (semver) |
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CVE-2026-23796 (GCVE-0-2026-23796)
Vulnerability from cvelistv5 – Published: 2026-02-05 11:07 – Updated: 2026-02-05 14:19
VLAI
EPSS
VEX
Title
Session Fixation in Quick.Cart
Summary
Quick.Cart allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID
for a victim and later hijack the authenticated session.
The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.7 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-05 14:19 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://opensolution.org/sklep-internetowy-quick-… | product |
| https://cert.pl/posts/2026/02/CVE-2026-23796 | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenSolution | Quick.Cart |
Affected:
6.7
(semver)
|
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CVE-2026-23624 (GCVE-0-2026-23624)
Vulnerability from cvelistv5 – Published: 2026-02-04 17:15 – Updated: 2026-02-04 19:56
VLAI
EPSS
VEX
Title
GLPI is vulnerable to session stealing on externally authenticated user change
Summary
GLPI is a free asset and IT management software package. In versions starting from 0.71 to before 10.0.23 and before 11.0.5, when remote authentication is used, based on SSO variables, a user can steal a GLPI session previously opened by another user on the same machine. This issue has been patched in versions .
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-04 19:56 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/glpi-project/glpi/security/adv… | x_refsource_CONFIRM |
| https://github.com/glpi-project/glpi/releases/tag… | x_refsource_MISC |
| https://github.com/glpi-project/glpi/releases/tag… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| glpi-project | glpi |
Affected:
>= 0.71, < 10.0.23
Affected: >= 11.0.0-alpha, < 11.0.5 |
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CVE-2026-22082 (GCVE-0-2026-22082)
Vulnerability from cvelistv5 – Published: 2026-01-09 11:24 – Updated: 2026-01-09 16:26
VLAI
EPSS
VEX
Title
Insecure Session ID Management Vulnerability in Tenda Wireless Routers
Summary
This vulnerability exists in Tenda wireless routers (300Mbps Wireless Router F3 and N300 Easy Setup Router) due to the use of login credentials as the session ID through its web-based administrative interface. A remote attacker could exploit this vulnerability by intercepting network traffic and capturing the session ID during insecure transmission.
Successful exploitation of this vulnerability could allow the attacker to hijack an authenticated session and compromise sensitive configuration information on the targeted device.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-09 16:25 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cert-in.org.in/s2cMainServlet?pageid=… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Tenda | 300Mbps Wireless Router F3 and N300 Easy Setup Router |
Affected:
F3 v3.0 Firmware V12.01.01.41
Affected: F3 v3.0 Firmware V12.01.01.42 Affected: F3 v3.0 Firmware V12.01.01.48 Affected: F3 v3.0 Firmware V12.01.01.52 Affected: F3 v3.0 Firmware V12.01.01.55 Affected: F3 v4.0 Firmware V03.03.01.40 |
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GCVE-1-2026-20091 (CVE-2026-56425)
Vulnerability from gna-1 – Published: 2026-06-22 12:21 – Updated: 2026-06-22 12:24
VLAI
EPSS
VEX
Title
MISP AAD authentication plugin - Improper OAuth State Handling, Missing Session Rotation, Insecure Redirect URI Validation, and Log Injection
Summary
The Azure Active Directory (AAD) authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol.
The application used the PHP session identifier (session_id()) as the OAuth state parameter. Because session identifiers are long-lived authentication credentials, exposing them in OAuth redirect URLs could leak valid session tokens through browser history, HTTP Referer headers, reverse proxies, access logs, or third-party infrastructure involved in the authentication flow. If obtained by an attacker, the leaked session identifier could potentially be used for session hijacking.
Additionally, the implementation did not regenerate the session identifier after successful authentication, leaving authenticated sessions susceptible to session fixation attacks where an attacker forces a victim to use a known session identifier before login and later reuses that identifier after authentication.
The OAuth state value was also not implemented as a dedicated, single-use nonce. This weakened CSRF protections and increased the risk of replay attacks against the OAuth callback process.
The authentication flow further failed to enforce HTTPS for the configured OAuth redirect URI. If a non-HTTPS redirect URI was used, OAuth authorization codes and access tokens could traverse the network in plaintext, exposing sensitive credentials to network attackers.
Finally, OAuth error responses containing attacker-controlled GET parameters were logged verbatim. An attacker could inject control characters or crafted log content, leading to log forging, log injection, or corruption of audit records.
The fix introduces:
*
A dedicated cryptographically random OAuth state value.
*
Single-use state validation and invalidation.
*
Constant-time state comparison using hash_equals().
*
Session identifier rotation after successful authentication.
*
Enforcement of HTTPS-only redirect URIs.
*
Sanitized and length-limited logging of OAuth error parameters.
AAD Authentication Plugin (OAuth 2.0 / Azure Active Directory integration)
Severity
CWE
- CWE-384 - Session Fixation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/MISP/MISP/commit/146bc40ad6e10… | patch |
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CVE-2026-18527 (GCVE-0-2026-18527)
Vulnerability from cvelistv5 – Published: 2026-08-28 20:48 – Updated: 2026-08-31 18:46
VLAI
EPSS
VEX
Title
IBM Application Runtime Expert (ARE) for IBM i is vulnerable to a user gaining elevated privileges and sensitive information [, ].
Summary
IBM Administration Runtime Expert for i 1R1M0 IBM Application Runtime Expert (ARE) for i could allow a remote attacker to gain elevated privileges, caused by ARE GUI component processing. An unauthenticated attacker can exploit this vulnerability to execute actions under another user's authenticated profile gaining elevated privileges on the IBM i system.
Severity
9.9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:45 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7284580 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Administration Runtime Expert for i |
Affected:
1R1M0
cpe:2.3:a:ibm:administration_runtime_expert_for_i:1r1m0:*:*:*:*:*:*:* |
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CVE-2026-16496 (GCVE-0-2026-16496)
Vulnerability from cvelistv5 – Published: 2026-07-28 17:57 – Updated: 2026-07-28 18:43
VLAI
EPSS
VEX
Title
terraform-mcp-server vulnerable to cross-user credential inheritance if an MCP session ID is obtained by another user
Summary
The terraform-mcp-server before version 1.1.0 is vulnerable to an authorization bypass in the streamable-HTTP stateful transport mode that may allow a user who obtains another user's MCP session ID to have their tool calls executed using that user's Terraform credentials. This vulnerability, CVE-2026-16496, is fixed in terraform-mcp-server 1.1.0.
Severity
8.9 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 18:42 UTC
CWE
- CWE-384 - Session Fixation
Assigner
References
1 reference
Impacted products
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Mitigation
Architecture and Design
Invalidate any existing session identifiers prior to authorizing a new user session.
Mitigation
Architecture and Design
For platforms such as ASP that do not generate new values for sessionid cookies, utilize a secondary cookie. In this approach, set a secondary cookie on the user's browser to a random value and set a session variable to the same value. If the session variable and the cookie value ever don't match, invalidate the session, and force the user to log on again.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-196: Session Credential Falsification through Forging
An attacker creates a false but functional session credential in order to gain or usurp access to a service. Session credentials allow users to identify themselves to a service after an initial authentication without needing to resend the authentication information (usually a username and password) with every message. If an attacker is able to forge valid session credentials they may be able to bypass authentication or piggy-back off some other authenticated user's session. This attack differs from Reuse of Session IDs and Session Sidejacking attacks in that in the latter attacks an attacker uses a previous or existing credential without modification while, in a forging attack, the attacker must create their own credential, although it may be based on previously observed credentials.
CAPEC-21: Exploitation of Trusted Identifiers
An adversary guesses, obtains, or "rides" a trusted identifier (e.g. session ID, resource ID, cookie, etc.) to perform authorized actions under the guise of an authenticated user or service.
CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies
This attack relies on the use of HTTP Cookies to store credentials, state information and other critical data on client systems. There are several different forms of this attack. The first form of this attack involves accessing HTTP Cookies to mine for potentially sensitive data contained therein. The second form involves intercepting this data as it is transmitted from client to server. This intercepted information is then used by the adversary to impersonate the remote user/session. The third form is when the cookie's content is modified by the adversary before it is sent back to the server. Here the adversary seeks to convince the target server to operate on this falsified information.
CAPEC-39: Manipulating Opaque Client-based Data Tokens
In circumstances where an application holds important data client-side in tokens (cookies, URLs, data files, and so forth) that data can be manipulated. If client or server-side application components reinterpret that data as authentication tokens or data (such as store item pricing or wallet information) then even opaquely manipulating that data may bear fruit for an Attacker. In this pattern an attacker undermines the assumption that client side tokens have been adequately protected from tampering through use of encryption or obfuscation.
CAPEC-59: Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.
CAPEC-60: Reusing Session IDs (aka Session Replay)
This attack targets the reuse of valid session ID to spoof the target system in order to gain privileges. The attacker tries to reuse a stolen session ID used previously during a transaction to perform spoofing and session hijacking. Another name for this type of attack is Session Replay.
CAPEC-61: Session Fixation
The attacker induces a client to establish a session with the target software using a session identifier provided by the attacker. Once the user successfully authenticates to the target software, the attacker uses the (now privileged) session identifier in their own transactions. This attack leverages the fact that the target software either relies on client-generated session identifiers or maintains the same session identifiers after privilege elevation.