How severe is CVE-2026-13138?

CVE-2026-13138 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2026-13138 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-13138?

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.

When was CVE-2026-13138 published?

CVE-2026-13138 was published on 2026-10-13 and last updated on 2026-10-16.

CVE-2026-13138

CVE-2026-13138 is a high-severity vulnerability with a CVSS 3.x base score of 8.6. 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-602.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-602
Published: 2026-10-13
Last modified: 2026-10-16

Description

Client-Side Enforcement of Server-Side Security vulnerability in Divasoft Software and E-Commerce Inc. Biletiva Ticketing Platform allows Manipulating State. This issue affects Biletiva Ticketing Platform: through 2026-07-23.

Frequently asked questions

What is CVE-2026-13138?: Client-Side Enforcement of Server-Side Security vulnerability in Divasoft Software and E-Commerce Inc. Biletiva Ticketing Platform allows Manipulating State. This issue affects Biletiva Ticketing Platform: through 2026-07-23.
How severe is CVE-2026-13138?: CVE-2026-13138 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2026-13138 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-13138?: 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.
When was CVE-2026-13138 published?: CVE-2026-13138 was published on 2026-10-13 and last updated on 2026-10-16.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1309

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