CVE-2026-26002
CVE-2026-26002 is a critical-severity vulnerability in Osc Open Ondemand with a CVSS 3.x base score of 9.8. 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-74.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 6.3
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-9500
- Weakness: CWE-74
- Affected product: Osc Open Ondemand
- Published:
- Last modified:
Description
Open OnDemand is an open-source high-performance computing portal. The Files application in OnDemand versions prior to 4.0.9 and 4.1.3 is susceptible to malicious input when navigating to a directory. This has been patched in versions 4.0.9 and 4.1.3. Versions below this remain susceptible.
Frequently asked questions
- What is CVE-2026-26002?
- Open OnDemand is an open-source high-performance computing portal. The Files application in OnDemand versions prior to 4.0.9 and 4.1.3 is susceptible to malicious input when navigating to a directory. This has been patched in versions 4.0.9 and 4.1.3. Versions below this remain susceptible.
- How severe is CVE-2026-26002?
- CVE-2026-26002 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-26002 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-26002?
- CVE-2026-26002 affects Osc Open Ondemand. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-26002?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-26002 have an EU (EUVD) identifier?
- Yes. CVE-2026-26002 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9500.
- When was CVE-2026-26002 published?
- CVE-2026-26002 was published on 2026-03-04 and last updated on 2026-06-17.
References
- https://github.com/OSC/ondemand/commit/23cb167222886fdd8415277ca5c1215f4c32629c
- https://github.com/OSC/ondemand/commit/37f0ae4efb222e9c0af250feae860a720427df16
- https://github.com/OSC/ondemand/security/advisories/GHSA-f83q-mhrr-3cr2
Affected products (1)
- cpe:2.3:a:osc:open_ondemand:*:*:*:*:*:*:*:*
More vulnerabilities in Osc Open Ondemand
- CVE-2020-36247 — High (CVSS 8.8): Open OnDemand before 1.5.7 and 1.6.x before 1.6.22 allows CSRF.
- CVE-2025-66029 — High (CVSS 7.6): Open OnDemand provides remote web access to supercomputers. In versions 4.0.8 and prior, the Apache proxy allows…
All CVEs affecting Osc Open Ondemand →
Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities
- CVE-2026-25586 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty…
- CVE-2026-25520 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped.…
- CVE-2025-20265 — Critical (CVSS 10.0): A vulnerability in the RADIUS subsystem implementation of Cisco Secure Firewall Management Center (FMC) Software could…
- CVE-2025-20337 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
- CVE-2025-20281 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
- CVE-2024-42472 — Critical (CVSS 10.0): Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and 1.15.10, a malicious…
Browse all CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities →