🛡️ CVE-2026-21764 — devops-loop

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: None.
• Availability impact: None.

Weakness class

CVE-2026-21764 is classified as CWE-754: Improper Check for Unusual or Exceptional Conditions. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.

Affected software

CVE-2026-21764 is recorded against 1 package.

• devops-loop

Timeline and source

Published on 17 July 2026 and last revised on 13 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

support.hcl-software.com

Other advisories for this package

devops-loop has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-21760 (4.6 Medium, published 17 Jul 2026)
• CVE-2026-21762 (3.7 Low, published 17 Jul 2026)
• CVE-2026-21761 (4.2 Medium, published 17 Jul 2026)
• CVE-2025-36359 (8.1 High, published 30 Jun 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-754: Improper Check for Unusual or Exceptional Conditions) in other software:

• CVE-2025-71413 (5.3 Medium, published 7 Aug 2026)
• CVE-2025-71412 (7.1 High, published 7 Aug 2026)
• CVE-2026-18852 (3.3 Low, published 5 Aug 2026)
• CVE-2026-20486 (6.7 Medium, published 3 Aug 2026)
• CVE-2026-0667 (published 29 Jul 2026)
• CVE-2026-65904 (4.7 Medium, published 23 Jul 2026)
• CVE-2026-44621 (5.9 Medium, published 22 Jul 2026)
• CVE-2026-63754 (6.5 Medium, published 20 Jul 2026)

Details

Affected Packages

References