CVE-2026-88907 json
SAML ePPN Attribute Validation Bypass in TÜBİTAK ULAKBİM's UlakPDF
published last mo. modified last mo. also EUVD-2026-85868
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.
This issue affects UlakPDF: through 09092026.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last mo.
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
- TÜBİTAK ULAKBİM UlakPDF
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-26-1170
government-resource
Sources
- CVE List CVE-2026-88907
- NVD CVE-2026-88907
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.