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CVE-2026-39944: Use of a Broken or Risky Cryptographic Algorithm

🗓️ 28 Aug 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Remote privilege escalation in Ceph RGW via AES-128-CBC bit-flip on STS tokens.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-39944
20 Aug 202614:25
–circl
cve
CVE
CVE-2026-39944
27 Aug 202620:47
–cve
cvelist
Cvelist
CVE-2026-39944 Ceph: CephX AES Authentication error
27 Aug 202620:47
–cvelist
debiancve
Debian CVE
CVE-2026-39944
27 Aug 202620:47
–debiancve
euvd
EUVD
EUVD-2026-67315
27 Aug 202620:47
–euvd
fedora
Fedora
[SECURITY] Fedora 43 Update: ceph-19.2.6-1.fc43
22 Aug 202601:12
–fedora
fedora
Fedora
[SECURITY] Fedora 44 Update: ceph-20.2.4-1.fc44
22 Aug 202601:26
–fedora
nessus
Tenable Nessus
Fedora 44 : ceph (2026-7de7d03796)
22 Aug 202600:00
–nessus
nessus
Tenable Nessus
Fedora 43 : ceph (2026-ebffec502b)
22 Aug 202600:00
–nessus
nessus
Tenable Nessus
TencentOS Server 4: ceph (TSSA-2026:1003)
16 Sep 202600:00
–nessus
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08 Sep 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.8
EPSS0.00285
SSVC
0