01 Record
CVE-2026-25479
Litestar has an AllowedHosts validation bypass due to unescaped regex metacharacters in configured host patterns
MediumPUBLISHEDCNA: GitHub_M
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
02 Description
Litestar has an AllowedHosts validation bypass due to unescaped regex metacharacters in configured host patterns
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.35% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 29.3% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-02-09 18:48Z8 MO AGO
- Last updated
- 2026-02-10 16:01Z8 MO AGO
- Reserved
- 2026-02-02
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-185Incorrect Regular ExpressionClass
- Data version
- 5.2
- Document digest
- b08e86b6eb782ffc495f9549b0e30deac5748175f89ae9975d12adfc487cb1e0
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/litestar-org/litestar/security/advisories/GHSA-93ph-p7v4-hwh4
- github.comhttps://github.com/litestar-org/litestar/commit/06b36f481d1bfea6f19995cfb4f203aba45c4ace
- docs.litestar.devhttps://docs.litestar.dev/2/release-notes/changelog.html#2.20.0
- github.comhttps://github.com/litestar-org/litestar/releases/tag/v2.20.0