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VulnerabilityPublished Updated

CVE-2025-56333: pangolin · Improper Authentication

Affects pangolinSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubfosrl/pangolinpkg:github/fosrl/pangolinOther threatsAffected
  • <=1.6.2
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

  1. Immediately conduct an inventory to identify all instances of Fossorial fosrl/pangolin software in use, focusing on versions 1.6.2 and earlier.
  2. Restrict network access to affected systems by implementing strict firewall rules and network segmentation to limit exposure to untrusted networks.
  3. Monitor authentication logs and system behavior for unusual privilege escalation attempts or anomalous activity related to 2FA processes.
  4. Disable or temporarily bypass the vulnerable 2FA component if feasible, while balancing security risks.
  5. Engage with the vendor or software maintainers to obtain timelines for patches or updates and apply them promptly once available.
  6. Implement additional compensating controls such as multi-layered authentication, anomaly detection, and endpoint protection to reduce risk.
  7. Educate security teams about this vulnerability to ensure rapid incident response capability.
  8. Consider deploying intrusion detection/prevention systems tuned to detect exploitation attempts targeting this vulnerability.

Description

An issue in Fossorial fosrl/pangolin v.1.6.2 and before allows a remote attacker to escalate privileges via the 2FA component

References

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