CVE-2026-85649
(Holloway) Chew, Kean Ho's Actualizer v1.2.0 and earlier contains a fail-open password validation vulnerability in the Alpha user and root user password loops of Shell/debian-minbase-install.sh. The
02 Description
(Holloway) Chew, Kean Ho's Actualizer v1.2.0 and earlier contains a fail-open password validation vulnerability in the Alpha user and root user password loops of Shell/debian-minbase-install.sh. The
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.20% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 10.2% of scored records. A rank, not a probability.
- NVD base score
- 7.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-08.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-04 12:59Z1 MO AGO
- Last updated
- 2026-09-04 17:59Z1 MO AGO
- Reserved
- 2026-09-04
- Assigning CNA
- CIRCL
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.9)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 804aaa45d02c26d9c17d60e144508ee7bf189719e01698fcbb23e97c4ed48469
05 Affected products
06 References
- github.comhttps://github.com/ChewKeanHo/software-actualizer/releases/tag/v1.2.1
- github.comhttps://github.com/ChewKeanHo/software-actualizer/commit/50a0932ac705635d9af62955c353e7c6df003a61.patch
- github.comhttps://github.com/ChewKeanHo/software-actualizer/blob/v1.2.0/Shell/debian-minbase-install.sh#L788
- doi.orghttps://doi.org/10.5281/zenodo.22169659
07 Remediation
Upgrade to Actualizer v1.2.1 or later. The fixed version validates that the generated password hash has the expected yescrypt prefix and performs a pre-flight check for yescrypt support before building.