How severe is CVE-2025-26394?

CVE-2025-26394 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-26394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26394?

CVE-2025-26394 affects Solarwinds Observability Self-hosted. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26394?

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

Does CVE-2025-26394 have an EU (EUVD) identifier?

Yes. CVE-2025-26394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17689.

When was CVE-2025-26394 published?

CVE-2025-26394 was published on 2025-06-10 and last updated on 2026-06-17.

CVE-2025-26394

CVE-2025-26394 is a medium-severity vulnerability in Solarwinds Observability Self-hosted with a CVSS 3.x base score of 4.8. 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17689
Weakness: CWE-601
Affected product: Solarwinds Observability Self-hosted
Published: 2025-06-10
Last modified: 2026-06-17

Description

SolarWinds Observability Self-Hosted is susceptible to an open redirection vulnerability. The URL is not properly sanitized, and an attacker could manipulate the string to redirect a user to a malicious site. The attack complexity is high, and authentication is required.

Frequently asked questions

What is CVE-2025-26394?: SolarWinds Observability Self-Hosted is susceptible to an open redirection vulnerability. The URL is not properly sanitized, and an attacker could manipulate the string to redirect a user to a malicious site. The attack complexity is high, and authentication is required.
How severe is CVE-2025-26394?: CVE-2025-26394 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-26394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26394?: CVE-2025-26394 affects Solarwinds Observability Self-hosted. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26394?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-26394 have an EU (EUVD) identifier?: Yes. CVE-2025-26394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17689.
When was CVE-2025-26394 published?: CVE-2025-26394 was published on 2025-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:solarwinds:observability_self-hosted:*:*:*:*:*:*:*:*

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Other CWE-601 (Open Redirect) vulnerabilities

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CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
CVE-2025-43526 — Critical (CVSS 9.8): This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac…
CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.

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