PatchSiren cyber security CVE debrief
CVE-2026-120191 Presenton CVE debrief
A weakness in Presenton up to 0.9.11-beta allows for missing authentication due to an unspecified issue in the API component. This vulnerability can be exploited remotely, potentially allowing attackers to access sensitive information or perform unauthorized actions. Upgrading to version 0.9.12-beta resolves the issue. Defenders should verify exposure of Presenton API instances and prioritize upgrading to version 0.9.12-beta if vulnerable. The CVE record and NVD entry provide limited information about the vulnerability, and additional verification tasks are necessary to ensure the security of affected systems.
- Vendor
- Presenton
- Product
- Presenton
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-11-01
- Original CVE updated
- 2026-11-01
- Advisory published
- 2026-11-01
- Advisory updated
- 2026-11-01
Who should care
Defenders responsible for Presenton API instances should verify exposure and prioritize upgrading to version 0.9.12-beta if vulnerable. This includes operators, platform administrators, vulnerability management teams, and security teams who need to ensure the security of affected systems and prevent potential remote exploitation.
Why it matters
Defenders should prioritize verifying exposure of Presenton API instances and upgrading to version 0.9.12-beta due to a missing authentication weakness allowing for potential remote exploitation.
- Verify exposure of Presenton API instances to potential remote exploitation
- Prioritize upgrading to version 0.9.12-beta to patch the vulnerability
- Monitor for potential exploitation attempts due to public exploit availability
Technical summary
The Presenton API component is vulnerable to missing authentication, allowing for potential remote exploitation. This vulnerability can be exploited remotely, potentially allowing attackers to access sensitive information or perform unauthorized actions. Upgrading to version 0.9.12-beta patches this issue. Defenders should prioritize verifying exposure of Presenton API instances and upgrading to version 0.9.12-beta if vulnerable. Additional verification tasks are necessary to ensure the security of affected systems.
Defensive priority
Defenders should prioritize verifying exposure of Presenton API instances and upgrading to version 0.9.12-beta if vulnerable.
Recommended defensive actions
- Verify exposure of Presenton API instances
- Upgrade to version 0.9.12-beta if vulnerable
- Monitor for potential exploitation attempts
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
The CVE record and NVD entry provide limited information about the vulnerability. The vendor and affected product details are not specified. Defenders should verify exposure of Presenton API instances and prioritize upgrading to version 0.9.12-beta if vulnerable. Additional verification tasks are necessary to ensure the security of affected systems, including reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
Sources and references
Verified primary and authoritative sources
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CVE-2026-120191 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-120191
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-120191 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-120191
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://github.com/presenton/presenton/
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Source reference
Unverified legacy reference
URL: https://github.com/presenton/presenton/commit/44c8a61122b21f17642d717b0c4d6f2c54c0f180
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Source reference
Unverified legacy reference
URL: https://github.com/presenton/presenton/issues/972
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Source reference
Unverified legacy reference
URL: https://github.com/presenton/presenton/pull/980
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Source reference
Unverified legacy reference
URL: https://github.com/presenton/presenton/releases/tag/v0.9.12-beta
-
Source reference
Unverified legacy reference
URL: https://vuldb.com/cve/CVE-2026-120191
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Source reference
Unverified legacy reference
URL: https://vuldb.com/submit/1027384
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Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/429530
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.