VulnerabilityPublished 15 Sep 2026

CVE-2026-83213: siebel-crm-end-user

Affects siebel-crm-end-userSource GCVE Database

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Authoritative record:CVE-2026-83213· High 7.5

Not known to be exploited · CVSS 7.5 High.

Data as of 31 Oct 2026, 08:20 UTC

CVSS 3.1 base score

7.5High

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 15 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

ghsa-qhf4-3v9v-7phw

What to do

Affected software

Product	Affected	Fixed in
Mavencom.oracle.siebel/siebel-crm-end-user`pkg:maven/com.oracle.siebel/siebel-crm-end-user`Other threats	Affected >=17.0 <=26.7	Fixed in–

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AI-suggested

Oracle has released a security patch for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply the available patches promptly to mitigate this vulnerability. Oracle recommends remaining on actively-supported versions and applying security patches without delay to prevent exploitation.

Description

A vulnerability exists in the Reports component of Oracle Siebel CRM End User product, affecting versions 17.0 through 26.7. This vulnerability allows an unauthenticated attacker with network access via HTTP to gain unauthorized access to critical or all accessible data within Siebel CRM End User. The vulnerability has a CVSS 3.1 base score of 7.5, indicating a high severity with a significant confidentiality impact. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which provides targeted security fixes across multiple products including Siebel CRM.

Impact

Successful exploitation of this vulnerability can result in unauthorized access to critical or all data accessible by the Siebel CRM End User, impacting confidentiality. There is no impact on integrity or availability reported. The vulnerability is remotely exploitable without authentication, increasing its risk profile.

Summary

CVE-2026-83213 is a high-severity vulnerability in the Siebel CRM End User product's Reports component. It is exploitable remotely without authentication over HTTP and can lead to unauthorized access to sensitive data within the application. The vulnerability affects supported versions from 17.0 up to 26.7. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update, which contains numerous security patches for Oracle products including Siebel CRM.

References

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