CVE-2026-108141: A vulnerability allowing an authenticated user with the Restore Operator role, who also controls the contents of a backed-up NAS share, to…
Noroxi assessment
Priority: Monitor (action score 23/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.35% (FIRST EPSS).
- Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. Special conditions such as timing or configuration are required.
- Fixed version: Veeam Backup and Replication 13.0.3, 13.1.2.
Low priority for now. Upgrade to Veeam Backup and Replication 13.0.3, 13.1.2 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
A vulnerability allowing an authenticated user with the Restore Operator role, who also controls the contents of a backed-up NAS share, to write attacker-controlled files to an arbitrary path on the backup server through relative path traversal.
- Published
- Oct 27, 2026
- Updated
- Nov 4, 2026
- EPSS
- 0.3% · 29th percentile
- CWE
- CWE-22
Report tools
Action score
23
Low priority for now.
- CVSS
- 23 / 40 · 5.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · hackerone
- 5.9
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
Is your version affected? Check itNoroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (hackerone). Independent of NVD's CPE analysis and usually ahead of it.
Veeam Backup and Replication
- 13.0 and later · before 13.0.3affected · semver
- 13.1 and later · before 13.1.2affected · semver
Same product
veeam: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-64393This vulnerability in Veeam Backup & Replication allows a Backup Viewer to execute arbitrary code as SYSTEM on the backup server.39Monitor
- CVE-2026-44963A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user.38Monitor
- CVE-2026-108142A vulnerability allowing an unauthenticated attacker to bypass authorization on the CDP Coordinator Service.36Monitor
Published before and after this one in the same product
- ← EarlierCVE-2026-58069Oct 7, 2026 · This vulnerability in Veeam Backup & Replication allows an authenticated Cloud Connect tenant to read arbitrary files on the service…33Monitor
- ← EarlierCVE-2026-93026Oct 7, 2026 · This vulnerability in Veeam Backup & Replication allows a Backup Viewer to modify the Enterprise Manager master key and stored antivirus…24Monitor
- ← EarlierCVE-2026-108140Oct 27, 2026 · A vulnerability allowing an authenticated user with the Restore Operator role, who also controls the contents of a backed-up NAS share, to…23Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Veeam Backup and Replication | 13.0.3 | Vendor (CNA) |
| Veeam Backup and Replication | 13.1.2 | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- Fix recordedsame day
- TodayNov 12, 2026+16 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-5806920 days apartThis vulnerability in Veeam Backup & Replication allows an authenticated Cloud Connect tenant to read arbitrary files on the service…33Monitor
- CVE-2026-5684497 days apartA vulnerability in the Veeam Updater component of the Veeam Software Appliance that could allow a local user to elevate their privileges…33Monitor
- CVE-2026-1081400 days apartA vulnerability allowing an authenticated user with the Restore Operator role, who also controls the contents of a backed-up NAS share, to…23Monitor
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Not on record for this CVE: patch commit or PR link · researcher credit.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- Administrator privileges are required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- High
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvd-secondary
Root cause
A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.
The bug in code
The whole CWE-22 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
const file = path.join(ROOT, req.query.name);
res.sendFile(file);Fixed
const file = path.resolve(ROOT, req.query.name);
if (!file.startsWith(ROOT + path.sep)) {
return res.sendStatus(400);
}
res.sendFile(file);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Path TraversalCAPEC-126likelihood: High · Very High
- Using Slashes and URL Encoding Combined to Bypass Validation LogicCAPEC-64likelihood: High · High
- Manipulating Web Input to File System CallsCAPEC-76likelihood: High · Very High
- Using Escaped Slashes in Alternate EncodingCAPEC-78likelihood: High · High
- Using Slashes in Alternate EncodingCAPEC-79likelihood: High · High
ATT&CK techniques
—
Change log
- SSVC exploitation— → none
- Exploit maturity— → none
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.