Red Hat Security Advisory: python-kdcproxy security update
Affects Red Hat python-kdcproxySource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 8.6 High.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 41% 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:C/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 12 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
GitHublatchset/kdcproxypkg:github/latchset/kdcproxyOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released updated python-kdcproxy packages that address these vulnerabilities. Users should apply the security update RHSA-2025:21806 promptly to remediate these issues. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations or workarounds are specified in the advisory. Systems running the affected versions should be updated to the fixed package versions provided by Red Hat.
Description
Two security vulnerabilities have been identified in the python-kdcproxy component of Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. The first is an unauthenticated Server-Side Request Forgery (SSRF) vulnerability via realm-controlled DNS SRV records (CVE-2025-59088). The second is a remote Denial of Service (DoS) vulnerability caused by unbounded TCP upstream buffering (CVE-2025-59089). Red Hat has released an important security update addressing these issues for multiple architectures including x86_64, ppc64le, aarch64, and s390x. Users of affected Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions should apply the update to mitigate these vulnerabilities.
References
- access.redhat.com/errata/RHSA-2025:21806 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2393955 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2393958 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21806.json (opens in a new tab)