CVE-2026-48863
High · 7.5CVSS
7.5
EPSS
0.8%
Published
Jul 16, 2026
CISA due date
—
Cloudanix analysis
There is not enough public information yet to know what systems are affected or what the risk is, so the issue should be monitored until vendor details are available.
- Exploitation
- Other
- Attacker needs
- Other
- Complexity
- Theoretical
- Impact
- Other
- Component
- Other
- Class
- Other
- Remediation
- No Fix Yet
- Effort
- Other
- Patch risk
- Other
What it actually does
No public technical description, affected product list, vulnerable version range, or fixed version information was provided for this identifier. Based on the available data, the vulnerability family is unspecified/Other, exploitation maturity is listed as none, it is not known to be in the CISA Known Exploited Vulnerabilities catalog, and the EPSS probability is low at 0.0047. Because the underlying weakness and affected component are unknown, the specific technical impact cannot be reliably determined from the provided information.
Why it matters to the business
At this time, there is insufficient public detail to determine whether this issue affects business-critical systems or would cause data exposure, service disruption, privilege escalation, or compromise. The currently low EPSS score, lack of known exploitation, and absence from KEV suggest lower immediate internet-scale exploitation pressure, but organizations should still track it because impact and urgency may change once vendor advisories or affected product details are published.
How an attack unfolds
An end-to-end exploitation narrative cannot be stated reliably because no affected product, attack surface, vulnerable functionality, prerequisite access level, or exploit technique was provided. If future advisories identify affected software, attackers would typically first locate exposed or reachable instances, determine whether vulnerable versions are present, then trigger the vulnerable code path using the required network request, file, API call, or local action. Until product-specific details are available, defenders should avoid assuming exploitability or safety and should monitor vendor advisories and vulnerability intelligence feeds for updates.
How to fix it
No fixed versions were provided. Security teams should monitor the relevant vendor, NVD, CNA, package repository, and vulnerability intelligence sources for a complete advisory. Once affected products and fixed versions are published, upgrade to the vendor-designated fixed release or apply the vendor patch. If patching is not immediately possible, apply vendor-recommended mitigations such as disabling the affected feature, restricting network access, enforcing authentication, reducing exposed attack surface, or increasing monitoring around the affected component. Do not rely on generic mitigations as a substitute for patching once a fix is available.
How to confirm the fix worked
Because affected products and fixed versions are not provided, validation should focus first on advisory tracking and asset correlation. Confirm whether the identifier appears in authoritative vendor advisories, then map the affected product and version range to software inventory, package manifests, container images, SBOMs, vulnerability scanners, and endpoint management data. After a fix is released and deployed, verify that all affected instances report the vendor-designated fixed version or later, that vulnerable packages are no longer present in runtime images or build artifacts, and that any temporary mitigations remain in place until patching is complete.
Typical attack path
- Identify whether any vendor advisory maps this identifier to a specific product, component, or package.
- Inventory deployed instances of the affected product once known.
- Determine whether exposed or internally reachable systems run vulnerable versions.
- Use the vulnerable feature, endpoint, parser, API, or local interface once technical details become public.
- Attempt to achieve the vulnerability-specific impact, such as code execution, privilege escalation, information disclosure, authentication bypass, or denial of service, if applicable.
- Perform post-exploitation activity only if the flaw enables further access, persistence, lateral movement, or data access.
How to detect it
There are no reliable exploitation indicators from the provided information because the affected product, vulnerable behavior, attack vector, and exploit artifacts are unknown. To assess whether exploitation has already occurred once details are published, collect and review logs from the affected application, web/API gateways, authentication systems, endpoint telemetry, EDR, network IDS/IPS, WAF, package managers, and system audit logs. Look for vendor-published exploit strings, abnormal requests to the vulnerable endpoint or feature, crashes or exceptions in the affected component, unexpected child processes spawned by services, suspicious file writes, new accounts, privilege changes, outbound connections, and post-exploitation behavior aligned to the eventual vulnerability impact. Until product-specific indicators are available, broad IOC-based detection is not recommended.
What your security team should do
- Track this identifier in vulnerability intelligence, vendor advisory, NVD, CNA, and package ecosystem feeds until technical details, affected products, and fixed versions are available.
- Do not prioritize emergency remediation solely from the provided data; current EPSS is low, exploit maturity is none, and there is no KEV listing.
- Prepare to correlate the advisory against asset inventory, SBOMs, dependency manifests, vulnerability scanner results, and externally exposed services once affected products are known.
- If the issue is later confirmed to affect internet-facing or business-critical software, reassess priority immediately and apply vendor patches or mitigations.
- Create a watchlist entry rather than broad detection rules until product-specific exploit artifacts, log patterns, or indicators are published.
- Review vendor and threat intelligence updates for any change in exploitation status, including public proof-of-concept code, active exploitation reports, KEV inclusion, or ransomware use.
The record
A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processing this crafted signature could lead to a denial of service in automated package or repository processing workflows.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| openSUSE:Leap 16.0 | libsolv | 0 | 0.7.39-160000.1.1 |
| openSUSE:Leap 16.0 | libzypp | 0 | 17.38.13-160000.1.1 |
| openSUSE:Leap 16.0 | zypper | 0 | 1.14.98-160000.1.1 |
| openSUSE:Tumbleweed | libsolv | 0 | 0.7.38-1.1 |
Related vulnerabilities
- CVE-2026-44941 A relative path traversal in the "keyhint" option in repomd.xml parsing of libzypp before… Also affects libsolv
- CVE-2026-44942 A path traversal in handling the "path" component of .repo files processed by libzypp… Also affects libsolv
- CVE-2026-9149 A flaw was found in libsolv. Also affects libsolv
- CVE-2026-9150 A flaw was found in libsolv. Also affects libsolv
- CVE-2026-44933 `PluginScript` attempts to `chroot` the plugin to the `repoManagerRoot`, this root is… Also affects libsolv
- CVE-2026-107705 Poppler 0.42.0 through 26.10.0 contains a stack-based buffer overflow in… CWE-121
- CVE-2026-95818 A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc)… CWE-121
- CVE-2026-61548 Rsyslog is a rocket-fast system for log processing. CWE-121