Common Weakness Enumeration

CWE-384

Allowed

Session 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.

617 vulnerabilities reference this CWE, most recent first.

CVE-2026-86688 (GCVE-0-2026-86688)

Vulnerability from cvelistv5 – Published: 2026-09-17 21:58 – Updated: 2026-09-18 14:31
VLAI
Title
Session id is not renewed on authentication in ash_authentication, allowing session fixation
Summary
Session Fixation vulnerability in team-alembic ash_authentication allows an attacker who can plant a session identifier in a victim's browser to hold an authenticated session once that victim signs in. AshAuthentication.Plug.Helpers.store_in_session/2 writes the authenticated subject into the existing session with Plug.Conn.put_session/3 and never calls Plug.Conn.configure_session(renew: true), so the identifier the visitor arrived with carries into their authenticated session. Every authentication event reaches this one function: the default success/4 injected by AshAuthentication.Phoenix.Controller.__using__/1, the AuthController emitted by mix ash_authentication_phoenix.install, and remember-me auto-login. AshAuthentication.Phoenix.Plug.store_in_session/2 is a defdelegate to it. Logout does not close the window either, because clear_session/2 ends with Plug.Conn.clear_session/1, which clears session contents but leaves the identifier intact, so a planted identifier survives a logout-then-login cycle. This issue affects ash_authentication: from 0.2.0 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 14:24 UTC
CWE
Assigner
EEF CNA under the mitre root
CNA scorecard A 97/100 over 314 records in the last 180 days details
Impacted products
Vendor Product Version
team-alembic ash_authentication Affected: 0.2.0 , < 4.15.0 (semver)
Affected: 5.0.0-rc.0 , < 5.0.0-rc.14 (semver)
    cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*
Create a notification for this product.
team-alembic ash_authentication Affected: a939dde9b917c072cdf10c4b0913a9886a4b0231 , < * (git)
    cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-86674 (GCVE-0-2026-86674)

Vulnerability from cvelistv5 – Published: 2026-09-08 18:15 – Updated: 2026-09-11 20:34
VLAI
Title
ningzichun Student Management System login.php session_start session fixiation
Summary
A vulnerability was found in ningzichun Student Management System up to 98760f5711cf6dc8b4adca53a9e207ca49b02ebf. Affected by this vulnerability is the function session_start of the file login.php. The manipulation results in session fixiation. The attack can be launched remotely. The exploit has been made public and could be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:02 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3848 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/399763 vdb-entrytechnical-description
https://vuldb.com/vuln/399763/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86674 third-party-advisory
https://vuldb.com/submit/908933 third-party-advisory
https://github.com/ningzichun/student-management-… exploitissue-tracking
Impacted products
Vendor Product Version
ningzichun Student Management System Affected: 98760f5711cf6dc8b4adca53a9e207ca49b02ebf
    cpe:2.3:a:ningzichun:student_management_system:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-86279 (GCVE-0-2026-86279)

Vulnerability from cvelistv5 – Published: 2026-09-07 07:00 – Updated: 2026-09-09 14:17 X_Freeware
VLAI
Title
SourceCodester Syllabus-Aligned Learning Management & Examination System Login auth_process.php session fixiation
Summary
A vulnerability was determined in SourceCodester Syllabus-Aligned Learning Management & Examination System 1.0. The impacted element is an unknown function of the file auth_process.php of the component Login. This manipulation causes session fixiation. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 14:17 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3848 records in the last 180 days details
Impacted products
Vendor Product Version
SourceCodester Syllabus-Aligned Learning Management & Examination System Affected: 1.0
    cpe:2.3:a:sourcecodester:syllabus-aligned_learning_management_examination_system:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-85238 (GCVE-0-2026-85238)

Vulnerability from cvelistv5 – Published: 2026-09-03 15:30 – Updated: 2026-09-03 15:43
VLAI
Title
Session Fixation in MISP CustomAuth Authentication Allows Session Hijacking
Summary
MISP contains a session fixation vulnerability in the CustomAuth authentication (a custom configuration) flow. When a user was successfully authenticated through CustomAuth, MISP stored the authenticated user identity in the existing session without first rotating the session identifier. As a result, if an attacker can cause a victim to use a session identifier known to the attacker before authentication, that same session identifier remains valid after the victim successfully authenticates. The attacker could subsequently reuse the fixed session identifier to access the victim's authenticated MISP session, potentially gaining the privileges associated with the victim's account. The issue occurs because __customAuthentication() wrote the authenticated user into the existing CakePHP session while the call to Session->renew() had previously been disabled. The patch restores session identifier rotation when a new authentication occurs or when the authenticated user changes, while avoiding unnecessary session renewal on every request.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 15:43 UTC
CWE
Assigner
CIRCL CNA under the ENISA root
CNA scorecard B 90/100 over 236 records in the last 180 days details
References
Impacted products
Vendor Product Version
misp misp Affected: 0 , ≤ 2.5.45 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-82355 (GCVE-0-2026-82355)

Vulnerability from cvelistv5 – Published: 2026-09-21 14:32 – Updated: 2026-09-21 18:09
VLAI
Title
Apache Airflow: Session cookie silently overrides explicit Authorization bearer header, enabling session fixation
Summary
When a request to the Airflow core API carries both a session cookie and an explicit `Authorization: Bearer` token, Airflow resolves the caller from the cookie and ignores the bearer token, inverting the intended precedence of bearer over cookie. The request then executes -- and is recorded in the audit log -- as the cookie's principal rather than the identity the client explicitly presented. Only Apache Airflow 3.3.0 and 3.3.1 are affected. Earlier releases do not contain the code path that caches the cookie-derived user, and are not vulnerable. Exploiting this requires an attacker to first place a valid session cookie of their own into the victim's browser or client: for example by cookie tossing from a sibling subdomain, through cross-site scripting in a separate application sharing a parent domain, or via a shared workstation. Deployments that host the Airflow UI on a domain shared with other applications are therefore the most exposed; a deployment on a dedicated domain with no co-hosted applications is not reachable this way. The consequence is principal confusion and misattributed audit records rather than a direct privilege escalation. Users of 3.3.0 or 3.3.1 should upgrade to Apache Airflow 3.3.2 or later, which resolves the caller from the explicitly supplied credential whenever one is present.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 15:23 UTC
CWE
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 946 records in the last 180 days details
Impacted products
Vendor Product Version
Apache Software Foundation Apache Airflow Affected: 3.3.0 , < 3.3.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-81826 (GCVE-0-2026-81826)

Vulnerability from cvelistv5 – Published: 2026-08-27 13:32 – Updated: 2026-08-27 19:34
VLAI
Title
Flowintel Fails to Invalidate Active Sessions After Password Change
Summary
Affected versions of Flowintel do not revoke existing authenticated sessions when a user’s password is changed. This means that if an attacker already possesses a valid session—for example, from prior access or a stolen session token—the victim changing their password does not terminate that attacker’s access. The session remains usable until it expires naturally. The upstream commit describes this directly as: “session keeps working until it expires.” The fix detects password changes and explicitly invokes _invalidate_user_sessions(user.id) after the database update. This is applied in both edit_user_core() and admin_edit_user_core(). Version impacted >=3.3.0
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 19:34 UTC
CWE
  • CWE-613 - Insufficient Session Expiration
  • CWE-384 - Session Fixation
Assigner
CIRCL CNA under the ENISA root
CNA scorecard B 90/100 over 236 records in the last 180 days details
References
Impacted products
Vendor Product Version
flowintel flowintel Affected: 0 , ≤ 3.3.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-81181 (GCVE-0-2026-81181)

Vulnerability from cvelistv5 – Published: 2026-09-18 17:48 – Updated: 2026-09-21 20:48
VLAI
Title
SysReptor: Session Fixation in Password-Protected Shared Notes
Summary
SysReptor is a fully customizable pentest reporting platform. Prior to 2026.68, the password authentication flow for protected shared notes does not rotate the session identifier after successful authentication, allowing session fixation. An attacker who can obtain an unauthenticated SysReptor session cookie, place it in a victim's browser, and know the shared-note URL where the victim authenticates can reuse the fixed session after the victim enters the correct password and access that shared note. The main SysReptor login flow is not affected. This issue is fixed in version 2026.68.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 19:30 UTC
CWE
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
Impacted products
Vendor Product Version
Syslifters sysreptor Affected: < 2026.68
Create a notification for this product.
Show details on NVD website

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CVE-2026-77614 (GCVE-0-2026-77614)

Vulnerability from cvelistv5 – Published: 2026-09-17 14:23 – Updated: 2026-09-17 15:33
VLAI
Title
Opencast: Session fixation in login enables account takeover via crafted link
Summary
Opencast is a free, open-source platform to support the management of educational audio and video content. Prior to versions 19.7 and 20.2, the default security configuration in etc/security/mh_default_org.xml accepts a client-selected JSESSIONID from the ;jsessionid= URL path parameter and does not replace it when the victim logs in. An unauthenticated attacker can send a crafted link to a victim whose browser has no active Opencast session cookie, wait for the victim to authenticate, and then reuse the known identifier as the victim's authenticated session. This can expose the victim's data and actions and can produce full administrative account takeover when the victim is an administrator. This issue is fixed in versions 19.7 and 20.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 15:32 UTC
CWE
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7771 records in the last 180 days details
Impacted products
Vendor Product Version
opencast opencast Affected: < 19.7
Affected: >= 20.0, < 20.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-76196 (GCVE-0-2026-76196)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:27 – Updated: 2026-09-09 09:54
VLAI
Title
Photoshop Mobile | Session Fixation (CWE-384)
Summary
Photoshop Mobile is affected by a Session Fixation vulnerability that could result in privilege escalation. An attacker could leverage this vulnerability to gain access to sensitive resources. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue requires user interaction in that a victim must interact with a malicious webpage. Scope is changed.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:27 UTC
CWE
  • CWE-384 - Session Fixation (CWE-384)
Assigner
adobe CNA under the mitre root
CNA scorecard C 75/100 over 803 records in the last 180 days details
References
Impacted products
Vendor Product Version
Adobe Photoshop Android Affected: 0 , ≤ 1.6.0.2294 (custom)
Unaffected: 1.6.0.2295 (custom)
Create a notification for this product.
Adobe Photoshop Android Affected: 0 , ≤ 1.6.0.2299 (custom)
Unaffected: 1.7.0.2302 (custom)
Create a notification for this product.
Date Public
2026-09-08 17:00
Show details on NVD website

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CVE-2026-71302 (GCVE-0-2026-71302)

Vulnerability from cvelistv5 – Published: 2026-09-29 21:41 – Updated: 2026-09-30 15:28
VLAI
Title
Toptech TMS7 and TopHAT Session Fixation
Summary
The application accepts user-supplied session identifiers and does not regenerate the session ID after authentication. This allows an attacker to predefine a session ID and reuse it after victim authentication, resulting in session takeover.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 15:00 UTC
CWE
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 352 records in the last 180 days details
Impacted products
Vendor Product Version
Toptech Systems TMS7 Affected: 7.6.3
Unaffected: 7.8
Create a notification for this product.
Toptech Systems TopHAT Affected: 7.6.3
Unaffected: 7.8
Create a notification for this product.
Show details on NVD website

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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.