CVE-2025-49651 json
Missing Authorization for Interactive Sessions
published last yr. modified 4mo ago also GHSA-h889-475r-wfmm , PYSEC-2026-1210 , EUVD-2025-17555
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
Missing Authorization in Lablup's BackendAI allows attackers to takeover all active sessions; Accessing, stealing, or altering any data accessible in the session. This vulnerability exists in all current versions of BackendAI.
Patch / fix
- github.com/lablup/backend.ai#7587 pull request
Is CVE-2025-49651 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | backend-ai | <=25.3.3 |
no fix listed |
Affected products
- Lablup BackendAI
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
github.com
/lablup/backend.ai/pull/7587
web
- hiddenlayer.com /sai_security_advisor/2025-06-backendai/
-
nvd.nist.gov
/vuln/detail/CVE-2025-49651
advisory
-
github.com
/lablup/backend.ai
package
-
hiddenlayer.com
/sai_security_advisor/2025-05-backendai-49653
web
-
hiddenlayer.com
/sai_security_advisor/2025-06-backendai
web
-
pypi.org
/project/backend-ai
package
-
github.com
/advisories/GHSA-h889-475r-wfmm
advisory
Sources
- CVE List CVE-2025-49651
- GitHub Advisory GHSA-h889-475r-wfmm
- NVD CVE-2025-49651
- OSV PYSEC-2026-1210
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