CVE-2026-40811
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the ssoabstractservice due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceAn unauthenticated remote attacker can exploit a SQL Injection vulnerability in the ssoabstractservice component. The vulnerability stems from improper neutralization of special elements used in SQL SELECT commands, allowing attackers to inject malicious SQL statements. Successful exploitation grants total confidentiality loss by enabling extraction of sensitive data from the database.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify ssoabstractservice component presenceSearch the application codebase, dependencies, or deployed artifacts for files, modules, or services named 'ssoabstractservice' or containing this string in configuration files, logs, or documentation.Affected if The component is present in the environment and handles authentication-related functionality.
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Determine if the service is network-accessibleReview network configuration, firewall rules, or API gateway settings to check whether the ssoabstractservice endpoint is exposed to unauthenticated network access from external sources.Affected if The service endpoint is reachable without authentication over the network.
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Identify input sources reaching the componentExamine the ssoabstractservice code or configuration to trace how user-supplied data (such as HTTP parameters, headers, cookies, or URL paths) flows into the component and potentially reaches database query logic.Affected if User-controlled input can be passed to the component without sanitization.
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Inspect SQL query implementation for direct string concatenationReview the source code of ssoabstractservice to locate SQL SELECT statements and verify whether parameters are concatenated directly into query strings instead of using parameterized queries or prepared statements.Affected if SQL SELECT statements construct queries by concatenating user input or untrusted variables without using parameterized queries.
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Test for SQL injection vulnerabilityIf permitted by security assessment policies, send crafted input containing SQL special characters (such as single quotes, UNION statements, or comment syntax) to the ssoabstractservice endpoint and observe whether database errors are returned or the response differs from expected behavior.Affected if The component returns database error messages, exhibits unexpected behavior, or allows extraction of data that should not be accessible based on the injected SQL syntax.
A user is affected if the ssoabstractservice component is present, network-accessible without authentication, and processes user input into SQL SELECT statements without parameterized queries.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement parameterized queries (prepared statements) to properly neutralize special characters in all SQL SELECT statements within the ssoabstractservice. Additionally, apply input validation and principle of least privilege on database accounts used by the service.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-40811 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-40811 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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