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E-OSB CVE-2026-18765

| EUVDEUVD-2026-69058 CRITICAL
SQL Injection (CWE-89)
2026-09-01 TR-CERT GHSA-rm7v-26x6-97x8
9.8
CVSS 3.1 · Vendor: TR-CERT
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Severity by source

Vendor (TR-CERT) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
9.8 CRITICAL

Unauthenticated network-reachable SQL injection (AV:N/PR:N/AC:L) giving full read/write/destroy access to the backend database yields C:H/I:H/A:H, scope unchanged.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (TR-CERT).

CVSS VectorVendor: TR-CERT

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Sep 01, 2026 - 13:22 vuln.today
CVE Published
Sep 01, 2026 - 12:41 nvd
CRITICAL 9.8

DescriptionCVE.org

Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in Teracity Software Technologies Inc. E-OSB allows SQL Injection.

This issue affects E-OSB: before V02.26.07.08.01.

AnalysisAI

SQL injection in Teracity Software Technologies' E-OSB application allows remote unauthenticated attackers to inject arbitrary SQL commands against the backend database, per TR-CERT advisory TR-26-0962. All versions before V02.26.07.08.01 are affected, and with a CVSS 9.8 (AV:N/PR:N) the flaw can be exploited over the network without authentication to fully read, modify, or destroy database contents. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation No special conditions - remote unauthenticated network exploitation (AV:N/AC:L/PR:N/UI:N) against affected E-OSB instances running any version before V02.26.07.08.01. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment All decision signals point in the same direction for a fast-triage priority where the product is deployed: CVSS 9.8 with AV:N/AC:L/PR:N/UI:N means trivially reachable, no authentication, and no user interaction, and SQL injection is highly automatable with full CIA impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade E-OSB to version V02.26.07.08.01 or later, which is the first fixed release per the affected-version range in the TR-CERT advisory (Vendor-released patch: V02.26.07.08.01); consult https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0962 for vendor guidance. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all E-OSB instances across the environment and map network access paths; immediately implement network segmentation or WAF rules to restrict access to E-OSB to essential systems only. …

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CVE-2026-18765 vulnerability details – vuln.today

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