7.5

CVE-2022-28946: openpolicyagent open_policy_agent

Modified
AliasesCGA-m59q-v38r-653qCGA-qc48-hf2g-592pGHSA-x7f3-62pm-9p38
Published 19-05-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-28946 is a high (CVSS 7.5) vulnerability in openpolicyagent open_policy_agent. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 64% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.04%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 4
OPENSUSE-SU-2022:10022-1OPENSUSE-SU-2022:10094-1CGA-6X2V-4QJF-3622CGA-HHXP-VVGJ-PR2V

Timeline

  1. 19-05-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

An issue in the component ast/parser.go of Open Policy Agent v0.39.0 causes the application to incorrectly interpret every expression, causing a Denial of Service (DoS) via triggering out-of-range memory access.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 1.02% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Opensuse2 products
  • starboard&distro=openSUSE Tumbleweed< 0.15.6-1.1
  • trivy&distro=openSUSE Tumbleweed< 0.28.0-1.1
Chainguard1 product
  • opa< 0.64.1-r1
Github.com/open-policy-agent1 product
  • opa< 0.40.0
Openpolicyagent1 product
Wolfi1 product
  • opa< 0.64.1-r1

5 vendors · 6 products

References

6 links