Handcrafted repo metadata may cause arbitrary local files to be overwritten by libzypp
A relative path traversal bug problem when processing repository metadata in libzypp before 17.38.10 could be used by remote attackers supplying repositories to overwrite files on the system, leading to denial of service or privilege escalation.
- Published
- Jun 29, 2026
- Updated
- Jun 30, 2026
- EPSS
- 0.6% · 47th percentile
- CWE
- CWE-23
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Report tools
Action score
35
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.6%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · suse
- 8.8
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| opensuse | libzypp | cpe:2.3:a:opensuse:libzypp |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- opensuse libzyppbefore 17.38.10
Versions reported by the vendor
Affected version ranges reported by the assigning authority (suse). Independent of NVD's CPE analysis and usually ahead of it.
SUSE libzypp
- before 17.38.10affected · rpm
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | libzypp | all versions | — |
| Debian:14 | libzypp | before 17.38.11-1 | 17.38.11-1 |
| openSUSE:Leap 16.0 | libsolv | before 0.7.39-160000.1.1 | 0.7.39-160000.1.1 |
| openSUSE:Leap 16.0 | libzypp | before 17.38.13-160000.1.1 | 17.38.13-160000.1.1 |
| openSUSE:Leap 16.0 | zypper | before 1.14.98-160000.1.1 | 1.14.98-160000.1.1 |
| openSUSE:Tumbleweed | libzypp | before 17.38.10-1.1 | 17.38.10-1.1 |
| SUSE:Linux Enterprise Installer Updates 15 SP4 | libsolv | before 0.7.39-150400.3.46.1 | 0.7.39-150400.3.46.1 |
| SUSE:Linux Enterprise Installer Updates 15 SP4 | libzypp | before 17.38.13-150400.3.158.1 | 17.38.13-150400.3.158.1 |
| SUSE:Linux Enterprise Installer Updates 15 SP5 | libsolv | before 0.7.39-150500.6.17.1 | 0.7.39-150500.6.17.1 |
| SUSE:Linux Enterprise Installer Updates 15 SP5 | libzypp | before 17.38.13-150500.6.74.1 | 17.38.13-150500.6.74.1 |
| SUSE:Linux Enterprise Installer Updates 15 SP6 | libsolv | before 0.7.39-150600.8.24.1 | 0.7.39-150600.8.24.1 |
| SUSE:Linux Enterprise Installer Updates 15 SP6 | libzypp | before 17.38.13-150600.3.92.1 | 17.38.13-150600.3.92.1 |
| SUSE:Linux Enterprise Micro 5.3 | zypper | before 1.14.98-150400.3.104.1 | 1.14.98-150400.3.104.1 |
| SUSE:Linux Enterprise Micro 5.5 | zypper | before 1.14.98-150500.6.45.1 | 1.14.98-150500.6.45.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | libsolv | before 0.7.39-150700.11.10.1 | 0.7.39-150700.11.10.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | libzypp | before 17.38.13-150700.6.13.1 | 17.38.13-150700.6.13.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | zypper | before 1.14.98-150700.13.6.1 | 1.14.98-150700.13.6.1 |
| SUSE:Linux Enterprise Server 12 SP5-LTSS | libzypp | before 16.22.19-82.1 | 16.22.19-82.1 |
| SUSE:Linux Enterprise Server 15 SP6-LTSS | zypper | before 1.14.98-150600.10.55.1 | 1.14.98-150600.10.55.1 |
| SUSE:Linux Enterprise Server 16.0 | libsolv | before 0.7.39-160000.1.1 | 0.7.39-160000.1.1 |
| SUSE:Linux Enterprise Server 16.0 | libzypp | before 17.38.13-160000.1.1 | 17.38.13-160000.1.1 |
| SUSE:Linux Enterprise Server 16.0 | zypper | before 1.14.98-160000.1.1 | 1.14.98-160000.1.1 |
Same product
opensuse: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-9269lack of keypinning in libzypp could lead to repository switching40Plan
- CVE-2026-44941libzypp path traversal via "keyhint" in repomd.xml35Monitor
- CVE-2017-7436libzypp accepts unsigned packages even when configured to check signatures33Monitor
- CVE-2017-7435libzypp accepts unsigned 3rd party repo without warning33Monitor
- CVE-2018-7685libzypp does not reevaluate malicious rpms once downloaded31Monitor
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 |
|---|---|---|
| SUSE libzypp | 17.38.10 | Vendor (CNA) |
| debian:libzypp | 17.38.11-1 · Debian:14 | Package registry (OSV) |
| opensuse:libsolv | 0.7.39-160000.1.1 · openSUSE:Leap 16.0 | Package registry (OSV) |
| opensuse:libzypp | 17.38.10-1.1 · openSUSE:Tumbleweed | Package registry (OSV) |
| opensuse:zypper | 1.14.98-160000.1.1 · openSUSE:Leap 16.0 | Package registry (OSV) |
| suse:libsolv | 0.7.39-160000.1.1 · SUSE:Linux Enterprise Server 16.0 | Package registry (OSV) |
| suse:libzypp | 17.38.13-160000.1.1 · SUSE:Linux Enterprise Server 16.0 | Package registry (OSV) |
| suse:zypper | 1.14.98-160000.1.1 · SUSE:Linux Enterprise Server 16.0 | Package registry (OSV) |
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.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- Michael AndresSUSEfinder
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-449413 days apartlibzypp path traversal via "keyhint" in repomd.xml35Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-23 · Relative Path TraversalCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-secondary
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)
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- bugzilla.suse.com/show_bug.cgi?id=1259802
- github.com/openSUSE/libzypp/commit/f09feda7fca03c941218aab0bb161cc82b185b6b
Vendor advisories and official records. Exploit/PoC links are deliberately left out.