CVE-2026-88907CWE-863broken-access-control

CVE-2026-88907

High · published September 24, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
23.2
In the wild
Unconfirmed
What it is

Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.

This issue affects UlakPDF: through 09092026.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00315 · 23.2th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-24T17:17Z
References (1)
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1170 · [email protected]
EPSS history
Timeline
  • 26 SEP 03:27Z
    EPSS moved — → 0%
    epss
  • 24 SEP 12:46Z
    SAML ePPN Attribute Validation Bypass in TÜBİTAK ULAKBİM's UlakPDF
    cvelistv5