CVE-2026-7876: IBM Aspera HSTS for CP4I · Improper Authentication
Affects IBM Aspera HSTS for CP4ISource CVE Database V5
Not known to be exploited · CVSS 9.1 Critical.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 27 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMAspera HSTS for CP4I | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:ibm:aspera_hsts_for_cp4i:1.5.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:aspera_hsts_for_cp4i:1.5.19:*:*:*:*:*:*:*
AI-suggested
Until an official fix is available, ensure that all recommended restriction settings are properly configured to limit access controls on the server. Monitor IBM's advisories for updates on patches or official mitigations.
Description
IBM Aspera HSTS for CP4I 1.5.1 through 1.5.19 is affected by an authentication bypass vulnerability. A transfer client may be able to take advantage of this vulnerability to access files in the server's local storage that they should not have access to, when specific restriction settings are not in place.