How severe is CVE-2026-13007?

CVE-2026-13007 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-13007 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-13007?

CVE-2026-13007 affects Tenable Identity Exposure. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-13007?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-13007 have an EU (EUVD) identifier?

Yes. CVE-2026-13007 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38487.

When was CVE-2026-13007 published?

CVE-2026-13007 was published on 2026-06-23 and last updated on 2026-08-19.

CVE-2026-13007

CVE-2026-13007 is a high-severity vulnerability in Tenable Identity Exposure with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38487
Weakness: CWE-306
Affected product: Tenable Identity Exposure
Published: 2026-06-23
Last modified: 2026-08-19

Description

Tenable Identity Exposure contains multiple unauthenticated API endpoints under /w/api/* that expose sensitive application configuration data including cleartext LDAP credentials, SAML configuration, user accounts, and directory settings to unauthenticated remote attackers. Affected responses are served with Cache-Control: public headers and without Vary: Cookie, allowing reverse proxies and CDNs to cache and serve sensitive data to unauthenticated users even after authentication is applied.

Frequently asked questions

What is CVE-2026-13007?: Tenable Identity Exposure contains multiple unauthenticated API endpoints under /w/api/* that expose sensitive application configuration data including cleartext LDAP credentials, SAML configuration, user accounts, and directory settings to unauthenticated remote attackers. Affected responses are served with Cache-Control: public headers and without Vary: Cookie, allowing reverse proxies and CDNs to cache and serve sensitive data to unauthenticated users even after authentication is applied.
How severe is CVE-2026-13007?: CVE-2026-13007 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-13007 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-13007?: CVE-2026-13007 affects Tenable Identity Exposure. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-13007?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-13007 have an EU (EUVD) identifier?: Yes. CVE-2026-13007 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38487.
When was CVE-2026-13007 published?: CVE-2026-13007 was published on 2026-06-23 and last updated on 2026-08-19.

References

https://www.tenable.com/security/research/tns-2026-16

Affected products (1)

cpe:2.3:a:tenable:identity_exposure:*:*:*:*:on-premises:*:*:*

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