How severe is CVE-2026-103868?

CVE-2026-103868 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-103868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-103868?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-103868 published?

CVE-2026-103868 was published on 2026-10-07 and last updated on 2026-10-14.

CVE-2026-103868

CVE-2026-103868 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-488.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-488
Published: 2026-10-07
Last modified: 2026-10-14

Description

A flaw was found in pulp-container when it authenticates to an upstream registry. Basic and bearer credentials from one remote are reused for later downloads in the same worker. A user who can sync a container remote, and can point that remote at a server they control, receives the username, password, or bearer token stored for a different remote, and can reuse that credential at the upstream registry. Content stored in Pulp is not changed, and the service is not stopped.

Frequently asked questions

What is CVE-2026-103868?: A flaw was found in pulp-container when it authenticates to an upstream registry. Basic and bearer credentials from one remote are reused for later downloads in the same worker. A user who can sync a container remote, and can point that remote at a server they control, receives the username, password, or bearer token stored for a different remote, and can reuse that credential at the upstream registry. Content stored in Pulp is not changed, and the service is not stopped.
How severe is CVE-2026-103868?: CVE-2026-103868 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-103868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-103868?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-103868 published?: CVE-2026-103868 was published on 2026-10-07 and last updated on 2026-10-14.

References

Other CWE-488 vulnerabilities

CVE-2026-16326 — Critical (CVSS 10.0): In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may…
CVE-2026-16498 — Critical (CVSS 10.0): The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse issue in the…
CVE-2026-19931 — Critical (CVSS 9.8): A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given hostname using Negotiate authentication,…
CVE-2025-47928 — Critical (CVSS 9.1): Spotipy is a Python library for the Spotify Web API. As of commit 4f5759dbfb4506c7b6280572a4db1aabc1ac778d, using…
CVE-2024-27455 — Critical (CVSS 9.1): In the Bentley ALIM Web application, certain configuration settings can cause exposure of a user's ALIM session token…
CVE-2026-114637 — High (CVSS 8.7): Traefik from v3.2.0 before v3.7.14 contains an authentication bypass vulnerability in the experimental FastProxy…

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